Which of the following describes second -degree heart block?
A) The atria no longer contract.
B) There is a longer delay between atrial contraction and ventricular contraction.
C) Not every ventricular contraction is preceded by an atrial contraction.
D) Not every atrial contraction is followed by a ventricular contraction.
E) The ventricles no longer contract.

Question

Quizplus · Accepted Answer

Second-degree heart block is characterized by the occurrence where not every atrial contraction is followed by a ventricular contraction, indicating an intermittent failure of the electrical conduction system to transmit impulses from the atria to the ventricles.

Which of the Following Describes Second -Degree Heart Block