Hypertrophic cardiomyopathy activities and circumstances to avoid: Difference between revisions
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==Activities That Increase Left Ventricular Outflow Tract Obstruction== | ==Activities That Increase Left Ventricular Outflow Tract Obstruction== | ||
===Activities That Reduce Preload=== | ===Activities That Reduce Preload=== | ||
The following activities increase left ventricular outflow tract obstruction and should be avoided<ref>Kizilbash AM, Heinle SK, Grayburn PA. Spontaneous variability of left ventricular outflow tract gradient in hypertrophic obstructive | The following activities increase left ventricular outflow tract obstruction and should be avoided<ref>Braunwald E, Lambrew C, Rockoff D et al. Idiopathic hypertrophicsubaortic stenosis. I. a description of the disease based upon an | ||
analysis of 64 patients. Circulation 1964;30(Suppl IV):3–217.</ref><ref>Kizilbash AM, Heinle SK, Grayburn PA. Spontaneous variability of left ventricular outflow tract gradient in hypertrophic obstructive | |||
cardiomyopathy. Circulation 1998;97:461–6.</ref>: | cardiomyopathy. Circulation 1998;97:461–6.</ref>: | ||
*Nausea and vomiting | *Nausea and vomiting | ||
Revision as of 16:02, 16 August 2011
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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
Activities That Reduce Preload
The following activities increase left ventricular outflow tract obstruction and should be avoided[1][2]:
- Nausea and vomiting
- Dehydration
- Hypovolemia (i.e., use diuretics with caution)
- Medications that reduce preload and left ventricular filling such as nitrates
- Alcohol ingestion may change outflow obstruction for a wide variety of reasons
- Heavy meals may change the outflow obstruction for a wide variety of reasons including splanchnic pulling of blood
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)
References
- ↑ Braunwald E, Lambrew C, Rockoff D et al. Idiopathic hypertrophicsubaortic stenosis. I. a description of the disease based upon an analysis of 64 patients. Circulation 1964;30(Suppl IV):3–217.
- ↑ Kizilbash AM, Heinle SK, Grayburn PA. Spontaneous variability of left ventricular outflow tract gradient in hypertrophic obstructive cardiomyopathy. Circulation 1998;97:461–6.