Ep.8 - Inotropes and Vasopressors: A, B, and V
Update: 2019-09-16
Description
Alpha, beta, V1 and V2 receptor goodness is talked about in this episode. This episode also features Allan turning into The Rock.
- Inotropy means increased myocardial contractility
- Chronotropy means increased heart rate
- Vasopressor means squeezing of the blood vessels
- Scott Weingart (reference below) coins a term Inopressor, where some drugs cause all of the above – one such example is epinephrine
- Alpha 1 receptors are found in the periphery and are responsible for vasoconstriction
- Alpha 2 receptors are in the periphery and are responsible for vasodilation
- Beta 1 receptors are primarily in the myocardium and cause ino and chronotropy
- Beta 2 receptors are in the lungs and result in bronchodilation
- V1 receptors are in the blood vessels
- V2 receptors are in the kidneys
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