<?xml version="1.0" encoding="UTF-8"?>
<urlset xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"
        xmlns:xhtml="http://www.w3.org/1999/xhtml"
        xmlns:video="http://www.google.com/schemas/sitemap-video/1.1"
        xmlns:image="http://www.google.com/schemas/sitemap-image/1.1">
    
    <url>
        <loc>https://www.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/arteriosclerosis-arteriolosclerosis-and-atherosclerosis</loc>
        
        <xhtml:link rel="alternate" hreflang="bg"
                    href="https://bg.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/arteriosclerosis-arteriolosclerosis-and-atherosclerosis" />
        
        <xhtml:link rel="alternate" hreflang="en"
                    href="https://www.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/arteriosclerosis-arteriolosclerosis-and-atherosclerosis" />
        
        <xhtml:link rel="alternate" hreflang="pl"
                    href="https://pl.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/arteriosclerosis-arteriolosclerosis-and-atherosclerosis" />
        
        <xhtml:link rel="alternate" hreflang="pt"
                    href="https://pt.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/arteriosclerosis-arteriolosclerosis-and-atherosclerosis" />
        
        <xhtml:link rel="alternate" hreflang="tr"
                    href="https://tr.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/arteriosclerosis-arteriolosclerosis-and-atherosclerosis" />
        
        <lastmod>2021-05-20T13:45:53Z</lastmod>
        
        <PageMap xmlns="http://www.google.com/schemas/sitemap-pagemap/1.0">
            <DataObject type="document" id="arteriosclerosis-arteriolosclerosis-and-atherosclerosis">
            <Attribute name="title">Arteriosclerosis, arteriolosclerosis, and atherosclerosis</Attribute>
            <Attribute name="description">Learn the difference between Arteriosclerosis, Arteriolosclerosis, and Atherosclerosis!  Rishi is a pediatric infectious disease physician and works at Khan Academy.</Attribute>
            <Attribute name="author">Rishi Desai</Attribute>
            <Attribute name="type">video</Attribute>
            
            </DataObject>
        </PageMap>
        
        <video:video>
            <video:thumbnail_loc>https://cdn.kastatic.org/googleusercontent/mj4aP3czhF4HZlGEHHPhsX9IuoVS_Ov0GX7v1E3XeDN_Qi8Qf7LQz1234woaEcFihIlikUBiEtA3DTDZMhqCtm5X</video:thumbnail_loc>
            <video:title>Arteriosclerosis, arteriolosclerosis, and atherosclerosis</video:title>
            <video:description>Learn the difference between Arteriosclerosis, Arteriolosclerosis, and Atherosclerosis!  Rishi is a pediatric infectious disease physician and works at Khan Academy.</video:description>
            <video:player_loc>https://cdn.kastatic.org/ka-youtube-converted/_T60pBGcoQU.mp4/_T60pBGcoQU.mp4</video:player_loc>
            <video:duration>558</video:duration>
            <video:category>Cardiovascular disorders and treatments</video:category>
        </video:video>
        
    </url>
    
    <url>
        <loc>https://www.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/atherosclerosis-part-1</loc>
        
        <xhtml:link rel="alternate" hreflang="bg"
                    href="https://bg.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/atherosclerosis-part-1" />
        
        <xhtml:link rel="alternate" hreflang="en"
                    href="https://www.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/atherosclerosis-part-1" />
        
        <xhtml:link rel="alternate" hreflang="pl"
                    href="https://pl.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/atherosclerosis-part-1" />
        
        <xhtml:link rel="alternate" hreflang="pt"
                    href="https://pt.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/atherosclerosis-part-1" />
        
        <xhtml:link rel="alternate" hreflang="tr"
                    href="https://tr.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/atherosclerosis-part-1" />
        
        <lastmod>2021-06-21T15:30:27Z</lastmod>
        
        <PageMap xmlns="http://www.google.com/schemas/sitemap-pagemap/1.0">
            <DataObject type="document" id="atherosclerosis-part-1">
            <Attribute name="title">Atherosclerosis - part 1</Attribute>
            <Attribute name="description">See how Atherosclerosis (Fat in the blood vessel wall) hardens the arterial wall and makes it harder for blood to flow through.  Rishi is a pediatric infectious disease physician and works at Khan Academy.</Attribute>
            <Attribute name="author">Rishi Desai</Attribute>
            <Attribute name="type">video</Attribute>
            
            </DataObject>
        </PageMap>
        
        <video:video>
            <video:thumbnail_loc>https://cdn.kastatic.org/googleusercontent/8G22v-s-N06cKb137TIzU1FrLeXZobB7cswGS0XLNssHaVdOHaF_N012Rv8-3nlyS6wUeVd3rr1_qpDuDTrsTaBu</video:thumbnail_loc>
            <video:title>Atherosclerosis - part 1</video:title>
            <video:description>See how Atherosclerosis (Fat in the blood vessel wall) hardens the arterial wall and makes it harder for blood to flow through.  Rishi is a pediatric infectious disease physician and works at Khan Academy.</video:description>
            <video:player_loc>https://cdn.kastatic.org/ka-youtube-converted/1qifvZnpKjU.mp4/1qifvZnpKjU.mp4</video:player_loc>
            <video:duration>774</video:duration>
            <video:category>Cardiovascular disorders and treatments</video:category>
        </video:video>
        
    </url>
    
    <url>
        <loc>https://www.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/atherosclerosis-part-2</loc>
        
        <xhtml:link rel="alternate" hreflang="bg"
                    href="https://bg.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/atherosclerosis-part-2" />
        
        <xhtml:link rel="alternate" hreflang="en"
                    href="https://www.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/atherosclerosis-part-2" />
        
        <xhtml:link rel="alternate" hreflang="pl"
                    href="https://pl.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/atherosclerosis-part-2" />
        
        <xhtml:link rel="alternate" hreflang="tr"
                    href="https://tr.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/atherosclerosis-part-2" />
        
        <lastmod>2021-06-21T15:30:28Z</lastmod>
        
        <PageMap xmlns="http://www.google.com/schemas/sitemap-pagemap/1.0">
            <DataObject type="document" id="atherosclerosis-part-2">
            <Attribute name="title">Atherosclerosis - part 2</Attribute>
            <Attribute name="description">See how Atherosclerosis (Fat in the blood vessel wall) hardens the arterial wall and makes it harder for blood to flow through.  Rishi is a pediatric infectious disease physician and works at Khan Academy.</Attribute>
            <Attribute name="author">Rishi Desai</Attribute>
            <Attribute name="type">video</Attribute>
            
            </DataObject>
        </PageMap>
        
        <video:video>
            <video:thumbnail_loc>https://cdn.kastatic.org/googleusercontent/oltseY0cifWP4BigxZ3OdN0cB5vV2FgApZNs-7R4WcsyS5KP1uauKiAwhktIp1O7ByTfozCtT-QlPYnEd6zKyUc</video:thumbnail_loc>
            <video:title>Atherosclerosis - part 2</video:title>
            <video:description>See how Atherosclerosis (Fat in the blood vessel wall) hardens the arterial wall and makes it harder for blood to flow through.  Rishi is a pediatric infectious disease physician and works at Khan Academy.</video:description>
            <video:player_loc>https://cdn.kastatic.org/ka-youtube-converted/N-mAEwzCwMM.mp4/N-mAEwzCwMM.mp4</video:player_loc>
            <video:duration>539</video:duration>
            <video:category>Cardiovascular disorders and treatments</video:category>
        </video:video>
        
    </url>
    
    <url>
        <loc>https://www.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/arteriolosclerosis-part-1</loc>
        
        <xhtml:link rel="alternate" hreflang="bg"
                    href="https://bg.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/arteriolosclerosis-part-1" />
        
        <xhtml:link rel="alternate" hreflang="en"
                    href="https://www.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/arteriolosclerosis-part-1" />
        
        <xhtml:link rel="alternate" hreflang="pl"
                    href="https://pl.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/arteriolosclerosis-part-1" />
        
        <xhtml:link rel="alternate" hreflang="pt"
                    href="https://pt.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/arteriolosclerosis-part-1" />
        
        <xhtml:link rel="alternate" hreflang="tr"
                    href="https://tr.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/arteriolosclerosis-part-1" />
        
        <lastmod>2021-07-14T12:44:36Z</lastmod>
        
        <PageMap xmlns="http://www.google.com/schemas/sitemap-pagemap/1.0">
            <DataObject type="document" id="arteriolosclerosis-part-1">
            <Attribute name="title">Arteriolosclerosis - part 1</Attribute>
            <Attribute name="description">See how hyaline arteriolosclerosis (Protein in the arterial wall) causes hardening of the blood vessels.  Rishi is a pediatric infectious disease physician and works at Khan Academy.</Attribute>
            <Attribute name="author">Rishi Desai</Attribute>
            <Attribute name="type">video</Attribute>
            
            </DataObject>
        </PageMap>
        
        <video:video>
            <video:thumbnail_loc>https://cdn.kastatic.org/googleusercontent/a49o_BslQXdHnaMFUyxofEm2v9EUmR5CyPuTTKW1LyRyRWokitAD9vlNFgdaN5oHjFGg8cGd9T2gAzfdiG_BncDh</video:thumbnail_loc>
            <video:title>Arteriolosclerosis - part 1</video:title>
            <video:description>See how hyaline arteriolosclerosis (Protein in the arterial wall) causes hardening of the blood vessels.  Rishi is a pediatric infectious disease physician and works at Khan Academy.</video:description>
            <video:player_loc>https://cdn.kastatic.org/ka-youtube-converted/1JudNLK1-Ck.mp4/1JudNLK1-Ck.mp4</video:player_loc>
            <video:duration>674</video:duration>
            <video:category>Cardiovascular disorders and treatments</video:category>
        </video:video>
        
    </url>
    
    <url>
        <loc>https://www.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/arteriolosclerosis-part-2</loc>
        
        <xhtml:link rel="alternate" hreflang="bg"
                    href="https://bg.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/arteriolosclerosis-part-2" />
        
        <xhtml:link rel="alternate" hreflang="en"
                    href="https://www.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/arteriolosclerosis-part-2" />
        
        <xhtml:link rel="alternate" hreflang="pl"
                    href="https://pl.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/arteriolosclerosis-part-2" />
        
        <xhtml:link rel="alternate" hreflang="pt"
                    href="https://pt.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/arteriolosclerosis-part-2" />
        
        <xhtml:link rel="alternate" hreflang="tr"
                    href="https://tr.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/blood-vessel-diseases/v/arteriolosclerosis-part-2" />
        
        <lastmod>2021-07-14T12:44:36Z</lastmod>
        
        <PageMap xmlns="http://www.google.com/schemas/sitemap-pagemap/1.0">
            <DataObject type="document" id="arteriolosclerosis-part-2">
            <Attribute name="title">Arteriolosclerosis - part 2</Attribute>
            <Attribute name="description">See how hyperplastic arteriolosclerosis (Protein in the arterial wall) makes it difficult for blood to go through blood vessels.  Rishi is a pediatric infectious disease physician and works at Khan Academy.</Attribute>
            <Attribute name="author">Rishi Desai</Attribute>
            <Attribute name="type">video</Attribute>
            
            </DataObject>
        </PageMap>
        
        <video:video>
            <video:thumbnail_loc>https://cdn.kastatic.org/googleusercontent/9nHoklQ9rqKyXH-SsMmoKJb9yXpcrCyweEPX9D30N9qRz6ejIVvETWPSkove7sdi7mYhikpvLfJQhjpDtGWJeNc</video:thumbnail_loc>
            <video:title>Arteriolosclerosis - part 2</video:title>
            <video:description>See how hyperplastic arteriolosclerosis (Protein in the arterial wall) makes it difficult for blood to go through blood vessels.  Rishi is a pediatric infectious disease physician and works at Khan Academy.</video:description>
            <video:player_loc>https://cdn.kastatic.org/ka-youtube-converted/EOnlvbWjFOE.mp4/EOnlvbWjFOE.mp4</video:player_loc>
            <video:duration>311</video:duration>
            <video:category>Cardiovascular disorders and treatments</video:category>
        </video:video>
        
    </url>
    
    <url>
        <loc>https://www.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/coronary-artery-disease/v/what-is-coronary-artery-disease</loc>
        
        <xhtml:link rel="alternate" hreflang="bg"
                    href="https://bg.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/coronary-artery-disease/v/what-is-coronary-artery-disease" />
        
        <xhtml:link rel="alternate" hreflang="en"
                    href="https://www.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/coronary-artery-disease/v/what-is-coronary-artery-disease" />
        
        <xhtml:link rel="alternate" hreflang="pl"
                    href="https://pl.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/coronary-artery-disease/v/what-is-coronary-artery-disease" />
        
        <xhtml:link rel="alternate" hreflang="pt"
                    href="https://pt.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/coronary-artery-disease/v/what-is-coronary-artery-disease" />
        
        <xhtml:link rel="alternate" hreflang="tr"
                    href="https://tr.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/coronary-artery-disease/v/what-is-coronary-artery-disease" />
        
        <lastmod>2020-07-15T21:03:12Z</lastmod>
        
        <PageMap xmlns="http://www.google.com/schemas/sitemap-pagemap/1.0">
            <DataObject type="document" id="what-is-coronary-artery-disease">
            <Attribute name="title">What is coronary artery disease?</Attribute>
            
            <Attribute name="author">Vishal Punwani</Attribute>
            <Attribute name="type">video</Attribute>
            
            </DataObject>
        </PageMap>
        
        <video:video>
            <video:thumbnail_loc>https://cdn.kastatic.org/googleusercontent/FEA8p-jAgcsw9JKT6rPqCarDgCOK21BH5al70nQ0r9Mdq1ymiDhlFUrOaW3thGVX54QFhQR0Sc0OzZxHtSOzcJE</video:thumbnail_loc>
            <video:title>What is coronary artery disease?</video:title>
            <video:description></video:description>
            <video:player_loc>https://cdn.kastatic.org/ka-youtube-converted/EATkbpqlxvc.mp4/EATkbpqlxvc.mp4</video:player_loc>
            <video:duration>819</video:duration>
            <video:category>Cardiovascular disorders and treatments</video:category>
        </video:video>
        
    </url>
    
    <url>
        <loc>https://www.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/coronary-artery-disease/v/risk-factors-for-coronary-artery-disease</loc>
        
        <xhtml:link rel="alternate" hreflang="bg"
                    href="https://bg.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/coronary-artery-disease/v/risk-factors-for-coronary-artery-disease" />
        
        <xhtml:link rel="alternate" hreflang="en"
                    href="https://www.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/coronary-artery-disease/v/risk-factors-for-coronary-artery-disease" />
        
        <xhtml:link rel="alternate" hreflang="pl"
                    href="https://pl.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/coronary-artery-disease/v/risk-factors-for-coronary-artery-disease" />
        
        <xhtml:link rel="alternate" hreflang="tr"
                    href="https://tr.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/coronary-artery-disease/v/risk-factors-for-coronary-artery-disease" />
        
        <lastmod>2021-01-28T23:56:35Z</lastmod>
        
        <PageMap xmlns="http://www.google.com/schemas/sitemap-pagemap/1.0">
            <DataObject type="document" id="risk-factors-for-coronary-artery-disease">
            <Attribute name="title">Risk factors for coronary artery disease</Attribute>
            
            <Attribute name="author">Vishal Punwani</Attribute>
            <Attribute name="type">video</Attribute>
            
            </DataObject>
        </PageMap>
        
        <video:video>
            <video:thumbnail_loc>https://cdn.kastatic.org/googleusercontent/X_eClM3AOQfqELlyQC22e28zKqf7Mop1Lr8uc3VZPmtSN6PfTuiTkGM2HHlsfJpkQX6GiAM4HBbLG8Dt89ntupT4</video:thumbnail_loc>
            <video:title>Risk factors for coronary artery disease</video:title>
            <video:description></video:description>
            <video:player_loc>https://cdn.kastatic.org/ka-youtube-converted/RrXJsf9x_sY.mp4/RrXJsf9x_sY.mp4</video:player_loc>
            <video:duration>754</video:duration>
            <video:category>Cardiovascular disorders and treatments</video:category>
        </video:video>
        
    </url>
    
    <url>
        <loc>https://www.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/coronary-artery-disease/v/heart-attack-myocardial-infarction-pathophysiology</loc>
        
        <xhtml:link rel="alternate" hreflang="bg"
                    href="https://bg.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/coronary-artery-disease/v/heart-attack-myocardial-infarction-pathophysiology" />
        
        <xhtml:link rel="alternate" hreflang="en"
                    href="https://www.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/coronary-artery-disease/v/heart-attack-myocardial-infarction-pathophysiology" />
        
        <xhtml:link rel="alternate" hreflang="pl"
                    href="https://pl.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/coronary-artery-disease/v/heart-attack-myocardial-infarction-pathophysiology" />
        
        <xhtml:link rel="alternate" hreflang="tr"
                    href="https://tr.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/coronary-artery-disease/v/heart-attack-myocardial-infarction-pathophysiology" />
        
        <lastmod>2020-07-15T21:03:20Z</lastmod>
        
        <PageMap xmlns="http://www.google.com/schemas/sitemap-pagemap/1.0">
            <DataObject type="document" id="heart-attack-myocardial-infarction-pathophysiology">
            <Attribute name="title">Heart attack (myocardial infarction) pathophysiology</Attribute>
            
            <Attribute name="author">Vishal Punwani</Attribute>
            <Attribute name="type">video</Attribute>
            
            </DataObject>
        </PageMap>
        
        <video:video>
            <video:thumbnail_loc>https://cdn.kastatic.org/googleusercontent/oku7lTdv9HafyQSAwCsQrXzJXriwVGq4o1Y5Sm9maOpALmeAj1aRvBdGHpl-gxoucbJYRxM6wdtDzxIPZhz4uXLf</video:thumbnail_loc>
            <video:title>Heart attack (myocardial infarction) pathophysiology</video:title>
            <video:description></video:description>
            <video:player_loc>https://cdn.kastatic.org/ka-youtube-converted/T_b9U5gn_Zk.mp4/T_b9U5gn_Zk.mp4</video:player_loc>
            <video:duration>709</video:duration>
            <video:category>Cardiovascular disorders and treatments</video:category>
        </video:video>
        
    </url>
    
    <url>
        <loc>https://www.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/heart-valve-diseases/v/what-is-valvular-heart-disease</loc>
        
        <xhtml:link rel="alternate" hreflang="bg"
                    href="https://bg.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/heart-valve-diseases/v/what-is-valvular-heart-disease" />
        
        <xhtml:link rel="alternate" hreflang="en"
                    href="https://www.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/heart-valve-diseases/v/what-is-valvular-heart-disease" />
        
        <xhtml:link rel="alternate" hreflang="pl"
                    href="https://pl.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/heart-valve-diseases/v/what-is-valvular-heart-disease" />
        
        <xhtml:link rel="alternate" hreflang="tr"
                    href="https://tr.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/heart-valve-diseases/v/what-is-valvular-heart-disease" />
        
        <lastmod>2020-07-15T21:03:20Z</lastmod>
        
        <PageMap xmlns="http://www.google.com/schemas/sitemap-pagemap/1.0">
            <DataObject type="document" id="what-is-valvular-heart-disease">
            <Attribute name="title">What is valvular heart disease?</Attribute>
            
            <Attribute name="author">Joshua Cohen</Attribute>
            <Attribute name="type">video</Attribute>
            
            </DataObject>
        </PageMap>
        
        <video:video>
            <video:thumbnail_loc>https://cdn.kastatic.org/googleusercontent/dIgnlkSA8Q7ox0jNGGd-GhoHGirBscOUs3PQyAYlXjzc7UTK_1TWoFLKfX8Y-veFXsGcSM5VhpJdy0hI-Zhr-604IA</video:thumbnail_loc>
            <video:title>What is valvular heart disease?</video:title>
            <video:description></video:description>
            <video:player_loc>https://cdn.kastatic.org/ka-youtube-converted/Wyxz0fgp6-A.mp4/Wyxz0fgp6-A.mp4</video:player_loc>
            <video:duration>641</video:duration>
            <video:category>Cardiovascular disorders and treatments</video:category>
        </video:video>
        
    </url>
    
    <url>
        <loc>https://www.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/heart-valve-diseases/v/systolic-murmurs-diastolic-murmurs-and-extra-heart-sounds-part-1</loc>
        
        <xhtml:link rel="alternate" hreflang="bg"
                    href="https://bg.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/heart-valve-diseases/v/systolic-murmurs-diastolic-murmurs-and-extra-heart-sounds-part-1" />
        
        <xhtml:link rel="alternate" hreflang="en"
                    href="https://www.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/heart-valve-diseases/v/systolic-murmurs-diastolic-murmurs-and-extra-heart-sounds-part-1" />
        
        <xhtml:link rel="alternate" hreflang="pl"
                    href="https://pl.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/heart-valve-diseases/v/systolic-murmurs-diastolic-murmurs-and-extra-heart-sounds-part-1" />
        
        <xhtml:link rel="alternate" hreflang="tr"
                    href="https://tr.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/heart-valve-diseases/v/systolic-murmurs-diastolic-murmurs-and-extra-heart-sounds-part-1" />
        
        <lastmod>2020-10-23T16:08:59Z</lastmod>
        
        <PageMap xmlns="http://www.google.com/schemas/sitemap-pagemap/1.0">
            <DataObject type="document" id="systolic-murmurs-diastolic-murmurs-and-extra-heart-sounds-part-1">
            <Attribute name="title">Systolic murmurs, diastolic murmurs, and extra heart sounds - Part 1</Attribute>
            
            <Attribute name="author">Joshua Cohen</Attribute>
            <Attribute name="type">video</Attribute>
            
            </DataObject>
        </PageMap>
        
        <video:video>
            <video:thumbnail_loc>https://cdn.kastatic.org/googleusercontent/2nAEkmnfPjE1GGJ3eb1HYYoZ57f87l5hBq6Pp66dk5kJDhj32FDl0QVGkDCi1tf6bG2hQZSr118UI5klRy-uQ4Qn</video:thumbnail_loc>
            <video:title>Systolic murmurs, diastolic murmurs, and extra heart sounds - Part 1</video:title>
            <video:description></video:description>
            <video:player_loc>https://cdn.kastatic.org/ka-youtube-converted/6YY3OOPmUDA.mp4/6YY3OOPmUDA.mp4</video:player_loc>
            <video:duration>727</video:duration>
            <video:category>Cardiovascular disorders and treatments</video:category>
        </video:video>
        
    </url>
    
    <url>
        <loc>https://www.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/heart-valve-diseases/v/systolic-murmurs-diastolic-murmurs-and-extra-heart-sounds-part-2</loc>
        
        <xhtml:link rel="alternate" hreflang="bg"
                    href="https://bg.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/heart-valve-diseases/v/systolic-murmurs-diastolic-murmurs-and-extra-heart-sounds-part-2" />
        
        <xhtml:link rel="alternate" hreflang="en"
                    href="https://www.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/heart-valve-diseases/v/systolic-murmurs-diastolic-murmurs-and-extra-heart-sounds-part-2" />
        
        <xhtml:link rel="alternate" hreflang="pl"
                    href="https://pl.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/heart-valve-diseases/v/systolic-murmurs-diastolic-murmurs-and-extra-heart-sounds-part-2" />
        
        <xhtml:link rel="alternate" hreflang="tr"
                    href="https://tr.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/heart-valve-diseases/v/systolic-murmurs-diastolic-murmurs-and-extra-heart-sounds-part-2" />
        
        <lastmod>2020-12-28T16:56:58Z</lastmod>
        
        <PageMap xmlns="http://www.google.com/schemas/sitemap-pagemap/1.0">
            <DataObject type="document" id="systolic-murmurs-diastolic-murmurs-and-extra-heart-sounds-part-2">
            <Attribute name="title">Systolic murmurs, diastolic murmurs, and extra heart sounds - Part 2</Attribute>
            
            <Attribute name="author">Joshua Cohen</Attribute>
            <Attribute name="type">video</Attribute>
            
            </DataObject>
        </PageMap>
        
        <video:video>
            <video:thumbnail_loc>https://cdn.kastatic.org/googleusercontent/yoCArgZgnH3h5pL0Qay1xgeDBINTNNCF14JPvahHV7sdz9oXbeI70i_TkjyKRA7VUbD4EZ2Mt5v6SqsgDllWepDFDg</video:thumbnail_loc>
            <video:title>Systolic murmurs, diastolic murmurs, and extra heart sounds - Part 2</video:title>
            <video:description></video:description>
            <video:player_loc>https://cdn.kastatic.org/ka-youtube-converted/ZUHpAaVpiY8.mp4/ZUHpAaVpiY8.mp4</video:player_loc>
            <video:duration>879</video:duration>
            <video:category>Cardiovascular disorders and treatments</video:category>
        </video:video>
        
    </url>
    
    <url>
        <loc>https://www.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/x6e556f83:stroke-management/v/diagnosing-strokes-with-imaging-ct-mri-and-angiography</loc>
        
        <xhtml:link rel="alternate" hreflang="bg"
                    href="https://bg.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/x6e556f83:stroke-management/v/diagnosing-strokes-with-imaging-ct-mri-and-angiography" />
        
        <xhtml:link rel="alternate" hreflang="en"
                    href="https://www.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/x6e556f83:stroke-management/v/diagnosing-strokes-with-imaging-ct-mri-and-angiography" />
        
        <xhtml:link rel="alternate" hreflang="pl"
                    href="https://pl.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/stroke/v/diagnosing-strokes-with-imaging-ct-mri-and-angiography" />
        
        <xhtml:link rel="alternate" hreflang="tr"
                    href="https://tr.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/stroke/v/diagnosing-strokes-with-imaging-ct-mri-and-angiography" />
        
        <lastmod>2020-07-15T21:03:18Z</lastmod>
        
        <PageMap xmlns="http://www.google.com/schemas/sitemap-pagemap/1.0">
            <DataObject type="document" id="diagnosing-strokes-with-imaging-ct-mri-and-angiography">
            <Attribute name="title">Diagnosing strokes with imaging CT, MRI, and Angiography</Attribute>
            <Attribute name="description">Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-prep/mcat) for MCAT related content.  &#xA;&#xA;These videos do not provide medical advice and are for informational purposes only. The videos are not intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of a qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read or seen in any Khan Academy video.</Attribute>
            <Attribute name="author">Vishal Punwani</Attribute>
            <Attribute name="type">video</Attribute>
            
            </DataObject>
        </PageMap>
        
        <video:video>
            <video:thumbnail_loc>https://cdn.kastatic.org/googleusercontent/RBf8nBAHxf2ZlU5wgPzPm4SvkB6P1twNstSa0Gm5j4FlyhiblOG9YC0phIn-OhBvfsAQGOf8T9TJK2EE0Xxtx1V3</video:thumbnail_loc>
            <video:title>Diagnosing strokes with imaging CT, MRI, and Angiography</video:title>
            <video:description>Visit us (http://www.khanacademy.org/science/healthcare-and-medicine) for health and medicine content or (http://www.khanacademy.org/test-prep/mcat) for MCAT related content.  &#xA;&#xA;These videos do not provide medical advice and are for informational purposes only. The videos are not intended to be a substitute for professional medical advice, diagnosis or treatment. Always seek the advice of a qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read or seen in any Khan Academy video.</video:description>
            <video:player_loc>https://cdn.kastatic.org/ka-youtube-converted/xC55TgPmfZ0.mp4/xC55TgPmfZ0.mp4</video:player_loc>
            <video:duration>570</video:duration>
            <video:category>Cardiovascular disorders and treatments</video:category>
        </video:video>
        
    </url>
    
    <url>
        <loc>https://www.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/coronary-artery-disease/v/heart-attack-myocardial-infarction-interventions-and-treatment</loc>
        
        <xhtml:link rel="alternate" hreflang="bg"
                    href="https://bg.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/coronary-artery-disease/v/heart-attack-myocardial-infarction-interventions-and-treatment" />
        
        <xhtml:link rel="alternate" hreflang="en"
                    href="https://www.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/coronary-artery-disease/v/heart-attack-myocardial-infarction-interventions-and-treatment" />
        
        <xhtml:link rel="alternate" hreflang="pl"
                    href="https://pl.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/coronary-artery-disease/v/heart-attack-myocardial-infarction-interventions-and-treatment" />
        
        <xhtml:link rel="alternate" hreflang="pt"
                    href="https://pt.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/coronary-artery-disease/v/heart-attack-myocardial-infarction-interventions-and-treatment" />
        
        <xhtml:link rel="alternate" hreflang="tr"
                    href="https://tr.khanacademy.org/science/health-and-medicine/circulatory-system-diseases/coronary-artery-disease/v/heart-attack-myocardial-infarction-interventions-and-treatment" />
        
        <lastmod>2020-08-10T17:28:30Z</lastmod>
        
        <PageMap xmlns="http://www.google.com/schemas/sitemap-pagemap/1.0">
            <DataObject type="document" id="heart-attack-myocardial-infarction-interventions-and-treatment">
            <Attribute name="title">Heart attack (myocardial infarction) interventions and treatment</Attribute>
            
            <Attribute name="author">Vishal Punwani</Attribute>
            <Attribute name="type">video</Attribute>
            
            </DataObject>
        </PageMap>
        
        <video:video>
            <video:thumbnail_loc>https://cdn.kastatic.org/googleusercontent/S1HOAGKqC97Uu4AtalfSxRWPvTp8zDe4ePMd1FLN23ndjrD7k6S_uqSWbE0ZSdau4J6FuehyT12A8nUIiXXPusgySg</video:thumbnail_loc>
            <video:title>Heart attack (myocardial infarction) interventions and treatment</video:title>
            <video:description></video:description>
            <video:player_loc>https://cdn.kastatic.org/ka-youtube-converted/dLtFP6t99yo.mp4/dLtFP6t99yo.mp4</video:player_loc>
            <video:duration>444</video:duration>
            <video:category>Cardiovascular disorders and treatments</video:category>
        </video:video>
        
    </url>
    
</urlset>
