A 50-year-old woman is evaluated in hospital.

Which of the following is the most likely location of the patient’s pathology?
A) Atrium
B) AV node
C) His-Purkinje system
D) SA node
E) Ventricle
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A 50-year-old woman is evaluated in hospital.

Which of the following is the most likely location of the patient’s pathology?
A) Atrium
B) AV node
C) His-Purkinje system
D) SA node
E) Ventricle