Of the types of damage resulting from a myocardial infarction,which is most likely to cause the greatest increase in the Q-T interval?
A)infarction in the AV node
B)left bundle branch block
C)infarction affecting the SA node
D)tachycardia
E)ectopic focus

Question

Quizplus · Accepted Answer

A left bundle branch block can cause a significant increase in the Q-T interval because it delays the depolarization of the left ventricle, leading to a prolonged ventricular depolarization and repolarization time.

Of the Types of Damage Resulting from a Myocardial Infarction,which