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.
Question 2
According to the New England Journal of Medicine, increased physical activity reduces the risk of death from coronary heart disease to the same degree as ____.
a. managing blood glucose levels
b. giving up smoking
c. lowering triglyceride levels
d. lowering HDL-cholesterol levels
e. participating in stress-management therapy
Relationship of the electrocardiogram to electrical conduction in the heart
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Satellite data showing net primary production. Productivity is coded as red (highest) down through o