A 45-year-old inactive man has no signs or symptoms and no known cardiovascular, metabolic, or renal disease. He wants to begin a moderate-intensity walking program. According to the ACSM preparticipation screening algorithm, what is the appropriate recommendation?
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A
Complete a maximal graded exercise test with ECG before starting
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B
Obtain written physician clearance before any exercise
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C
Begin light-to-moderate intensity exercise and progress gradually without medical clearance
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D
Wait until a fasting lipid panel and resting ECG are completed