Hypertrophic cardiomyopathy activities and circumstances to avoid

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Editors-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Any activity, drug or circumstance that increases left ventricular outflow obstruction, reduced left ventricular filling, or increases left ventricular afterload should be avoided.

Activities That Increase Left Ventricular Outflow Tract Obstruction

The following activities increase left ventricular outflow tract obstruction and should be avoided:

• Nausea and vomiting
• Dehydration
• Hypovolemia (i.e., use diuretics with caution)
• Medications that reduce preload and left ventricular filling such as nitrates

Activities That Increase Afterload

The following activities increase left ventricular afterload should be avoided:

• Competitive endurance training
• Burst activities (e.g., sprinting)
• Intense isometric exercise (e.g., heavy weight lifting)