Question

An artificial pace-maker is implanted subcutaneously and connected to the heart in patients

• A. having 90% blockage of the three main coronary arteries
• B. having a very high blood pressure
• C. with irregularity in the heart rhythm
• D. suffering from arteriosclerosis

Answer 1

Answer: (C)

with irregularity in the heart rhythm

Answer 2

$SA$-node (Sinu-atrial node) initiate heart beats and thereby sets the basic pace of the heartbeat, hence, its name pace-maker. Pace-maker is a bundle of modified cardiac muscles. An artificial pace maker is implanted subcutaneously and connected to heart in patients with irregularity in the heart rhythm.