A client is diagnosed with an arrhythmia that involves irregular and rapid atrial contraction and an irregular and inefficient ventricular contraction. The nurse interprets this arrhythmia as which of the following?
A) Atrial flutter
B) Atrial fibrillation
C) Ventricular tachycardia
D) Ventricular fibrillation
Ans: B
Feedback:
Atrial fibrillation is characterized by irregular and rapid atrial contraction, resulting in a quivering of the atria and causing an irregular and inefficient ventricular contraction. Atrial flutter is the rapid contraction of the atria at a rate too rapid for the ventricle to pump efficiently. Ventricular tachycardia is a rapid heartbeat with a rate greater than 100 bpm. Ventricular fibrillation is rapid, disorganized contractions of the ventricles, resulting in the inability of the heart to pump any blood to the body.
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