Health and medicine
Circulatory system introduction: Human anatomy and physiologyRespiratory system introduction: Human anatomy and physiologyUrinary system introduction: Human anatomy and physiologyHematologic system introduction: Human anatomy and physiologyImmunologic system introduction: Human anatomy and physiologyGastrointestinal system introduction: Human anatomy and physiologyNervous system introduction: Human anatomy and physiology
Muscular system introduction: Human anatomy and physiologySkeletal system introduction: Human anatomy and physiologyEndocrine system introduction: Human anatomy and physiologyIntegumentary system introduction: Human anatomy and physiologyLymphatic system introduction: Human anatomy and physiologyReproductive system introduction: Human anatomy and physiologyPregnancy and pregnancy complications: Human anatomy and physiology
Circulatory system introduction: Advanced circulatory system physiologyBlood pressure: Advanced circulatory system physiologyBlood pressure control: Advanced circulatory system physiologyFetal circulation: Advanced circulatory system physiologyBlood vessels: Advanced circulatory system physiologyArterial stiffness: Advanced circulatory system physiology
Heart muscle contraction: Advanced circulatory system physiologyHeart depolarization: Advanced circulatory system physiologyNerve regulation of the heart: Advanced circulatory system physiologyPreload and afterload: Advanced circulatory system physiologyPressure volume loops: Advanced circulatory system physiologyChanging the PV loop: Advanced circulatory system physiology
Coronary artery disease: Circulatory system diseasesAtherosclerosis, arteriosclerosis, and arteriolosclerosis: Circulatory system diseasesStroke: Circulatory system diseasesHypertension: Circulatory system diseasesHeart failure: Circulatory system diseasesAortic dissection and aneurysm: Circulatory system diseasesMyocarditis and pericarditis : Circulatory system diseases
Cardiomyopathy: Circulatory system diseasesCardiac dysrhythmias and tachycardias: Circulatory system diseasesHeart valve diseases: Circulatory system diseasesAcyanotic heart diseases: Circulatory system diseasesCyanotic heart diseases: Circulatory system diseasesShock: Circulatory system diseasesVasculitis: Circulatory system diseasesHypertension: Circulatory system diseases
Introduction to pulmonary diseases: Respiratory system diseasesAsthma: Respiratory system diseasesEmphysema (COPD): Respiratory system diseasesChronic Bronchitis (COPD): Respiratory system diseasesCystic fibrosis: Respiratory system diseasesOccupational lung diseases: Respiratory system diseasesPulmonary hypertension: Respiratory system diseases
Pneumonia: Respiratory system diseasesPleural Effusion: Respiratory system diseasesLung cancer: Respiratory system diseasesNose, sinus, and upper respiratory conditions: Respiratory system diseasesThroat conditions: Respiratory system diseasesLaryngeal conditions: Respiratory system diseasesBronchiolitis: Respiratory system diseases
Introduction to lab values and normal ranges: Lab values and concentrations What's inside of blood?: Lab values and concentrations Units for common medical lab values: Lab values and concentrations What is an equivalent?: Lab values and concentrations The mole and Avogadro's number: Lab values and concentrations
Molarity vs. molality: Lab values and concentrations Molarity vs. osmolarity: Lab values and concentrations Calculate your own osmolarity: Lab values and concentrations Molarity, molality, osmolarity, osmolality, and tonicity - what's the difference?: Lab values and concentrations Tonicity - comparing 2 solutions: Lab values and concentrations
Heart disease and heart attacks: MiscellaneousStenosis, ischemia and heart failure: MiscellaneousThromboemboli and thromboembolisms: MiscellaneousIschemic and hemorrhagic strokes: MiscellaneousALS - Amyotrophic lateral sclerosis: MiscellaneousLow salt diet: MiscellaneousCalculate your own body mass index: MiscellaneousSpotting salty foods: Miscellaneous
Adequacy of the lateral cervical spine X-ray: MiscellaneousAssessing alignment of the lateral cervical spine (neck) X-ray: MiscellaneousCervical spine protection in airway management (not a substitute for formal training): MiscellaneousPrecocious puberty: MiscellaneousChildhood growth: MiscellaneousBacterial meningitis: MiscellaneousRitual of the bedside exam: MiscellaneousSystemic thinking about cancer: MiscellaneousInflammation: Miscellaneous
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Get StartedCirculatory system introduction
No organ quite symbolizes love like the heart. One reason may be that your heart helps you live, by moving ~5 liters (1.3 gallons) of blood through almost 100,000 kilometers (62,000 miles) of blood vessels every single minute! It has to do this all day, everyday, without ever taking a vacation! Now that is true love. Learn about how the heart works, how blood flows through the heart, where the blood goes after it leaves the heart, and what your heart is doing when it makes the sound “Lub Dub.”
Start learning: Circulatory system introduction