The Gas Pedal and the Brake
Why does epinephrine raise blood pressure, open the airways, and speed up the heart—all at the same time? Why does atropine work for one slow heart but not another? And what do beta blockers actually block? In this episode of 10 Minute Medic, we'll take the mystery out of the autonomic nervous system using a simple analogy you'll never forget: your body is a car, the sympathetic nervous system is the gas pedal, the parasympathetic nervous system is the brake, and receptors are the employees that make everything happen. You'll finally understand Alpha-1, Beta-1, Beta-2, and muscarinic…
The skinny
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