Image Based Question-67311

Identify the condition in which the following type of ECG is seen.

A. Left Chamber Pacemaker.

B. Right Chamber Pacemaker.

C. Dual Chamber Pacemaker.

D. Any of the above.

Correct Answer » C Explanation

Ans: C. Dual Chamber Pacemaker.

• This electrocardiogram demonstrates an artificial cardiac pacemaker which is responsible for initiating contractions within the atria as well as the ventricles.
• Note the double pacemaker spikes associated with each complete cycle of contraction.
• The first spike indicates stimuli to the atria, while the second pacemaker spike indicates initiation of ventricular contraction.