What is the primary purpose of a stress electrocardiogram?
A. A stress electrocardiogram assesses the need for specific intervention or invasive surgery.
B. A stress electrocardiogram reveals the tolerance of the heart to increased physical activity.
C. A stress electrocardiogram measures the size of the heart during peak exercise period.
D. A stress electrocardiogram measures heart rate rhythm before and after vigorous activity.
E. A stress electrocardiogram assesses the periodic need for basic electrocardiograms.
Answer: B
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