PATHOLOGY

PATHOLOGY MCQ

BLOOD VESSELS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The duration of the pause in the work of the heart is:
A
0, 5
B
0, 7
C
0, 2
D
0, 4
Explanation: 

Detailed explanation-1: -The electrocardiographic term ‘pause’ refers to the prolonged R-R interval that represents the interruption in ventricular depolarisation. This article presents a case of sinus node dysfunction and provides a diagnostic approach to pauses on the ECG. Keywords: ECG, sinus node dysfunction, SA exit block, sinus arrest.

Detailed explanation-2: -Ventricular asystole of 3 seconds or more is proposed as a definite indication for the implantation of a permanent pacemaker.

There is 1 question to complete.