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Cardiac Subspecialty Certification (CSC) Exam

Category - Free CSC Practice Test Questions

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What is the condition called when the SA node fails to depolarize the atria?

Sinus pause
Cardiac failure
Atrial flutter
Hypersensitization

Explanation

Answer: A - When the SA node fails to depolarize the atria, it is called sinus pause, or sinus arrest. If not corrected by another part of the heart, such as the AV node, this could lead to cardiac arrest.

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