Healthcare and medicine
The Heart

Blood pressure

  1. What is blood pressure?
  2. Learn how a stethoscope can help determine blood pressure
  3. Resistance in a tube
  4. Adding up resistance in series and in parallel
  5. Adding up resistance problem
  6. Flow and Perfusion
  7. Putting it all together: Pressure, flow, and resistance
  8. Blood pressure changes over time

Learn how a stethoscope can help determine blood pressure Learn how Dr. Korotkoff cleverly used a stethoscope to determine blood pressure, and that we still use his trick today! Rishi is a pediatric infectious disease physician and works at Khan Academy.

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Learn how a stethoscope can help determine blood pressure

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