Which term describes a process of restarting the heart to eliminate an abnormal rhythm?

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Study for the Cardiovascular Disorders Test. Utilize flashcards and multiple choice questions with explanations. Prepare thoroughly for your exam!

Multiple Choice

Which term describes a process of restarting the heart to eliminate an abnormal rhythm?

Explanation:
Defibrillation is the term that fits this description. It uses a controlled electric shock to depolarize a large portion of the heart muscle, which interrupts the chaotic electrical activity of dangerous rhythms like ventricular fibrillation. By momentarily resetting the electrical activity, the heart can resume a normal rhythm guided by the heart’s natural pacemaker. This concept is distinct from a thrombus (a moving clot of platelets), an aneurysm (ballooning of a weakened arterial wall), or angina (chest pain from myocardial ischemia).

Defibrillation is the term that fits this description. It uses a controlled electric shock to depolarize a large portion of the heart muscle, which interrupts the chaotic electrical activity of dangerous rhythms like ventricular fibrillation. By momentarily resetting the electrical activity, the heart can resume a normal rhythm guided by the heart’s natural pacemaker. This concept is distinct from a thrombus (a moving clot of platelets), an aneurysm (ballooning of a weakened arterial wall), or angina (chest pain from myocardial ischemia).

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