A patient's QRS complex is becoming increasingly wider. What is occurring within the heart muscle that is reflected on this tracing?
A) The ventricles are repolarizing.
B) Atrial repolarization is occurring.
C) Ventricular depolarization is prolonged.
D) The atria depolarize and the impulse at the atrioventricular (AV) node is delayed.
Correct Answer:
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