Question

What causes cardiac arrest?

Answer 1

Correct option is C. Non functional SA Node

• Cardiac arrest is a condition when the heart skips rhythm or completely stops beating.
• It takes place due to improper conduction of electric impulse by the SA node, as a result, the blood supply is disrupted to the brain, lungs and other vital organs which may result in the immediate death of the patient.

So, the correct answer is 'Non-functional SA node'.