In the treatment of ischemic heart disease a. In angina, beta blockers reduce cardiac work and oxygen consumption. This reduces the frequency of anginal episodes. Long term prophylactic use of nonspecific beta blockers helps prevents the recurrence of a fatal second myocardial infarct in patients who survived an initial attack. The mechanism of this effect is not known.
Beta blockers are antiarrhythmics.
More in other lectures. Here, only mentioned their ability to block atrial tachycardia. In glaucoma, beta blockers decrease the rate of synthesis of aqueous humors. Many of the signs and symptoms of hyperthyroidism are due to sympathetic nervous system activation. Beta blockers reduce these symptoms.