Examlex
Of all the causes of the stock market crash of October 1929, the greatest culprit was:
AV Node
The atrioventricular node, a part of the cardiac conduction system that controls the heart rate by slowing the electrical current before it passes from the atria to the ventricles.
Pacemaker
A device implanted in the body that uses electrical impulses to regulate the beating of the heart or a natural group of cells in the heart that performs this function.
Calcium Channel Blockers
A class of medications that inhibit the entry of calcium ions through calcium channels, used to treat hypertension and heart disease.
Tachycardia
A condition characterized by an abnormally high heart rate, typically over 100 beats per minute in adults.
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