Electrophysiological Actions

Propranolol has two separate and distinct effects. The first is a consequence of the drug's ß-blocking properties and the subsequent removal of adrenergic influences on the heart. The second is associated with its direct myo-cardial effects (membrane stabilization). The latter action, especially at high clinically employed doses, may account for its effectiveness against arrhythmias in which enhanced ß-receptor stimulation does not play a significant role in the genesis of the rhythm disturbance.

Blood Pressure Health

Blood Pressure Health

Your heart pumps blood throughout your body using a network of tubing called arteries and capillaries which return the blood back to your heart via your veins. Blood pressure is the force of the blood pushing against the walls of your arteries as your heart beats.Learn more...

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