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BC43.12 Obstructive hypertrophic cardiomyopathy

International Classification of Diseases for Mortality and Morbidity Statistics, 11th Revision, v2024-01

Obstructive hypertrophic cardiomyopathy is hypertrophic cardiomyopathy that manifests sufficient fixed or dynamic narrowing within one or both ventricles to result in a significant pressure gradient between the ventricular apex and the outflow valve (aortic or pulmonary).

synonyms

• Obstructive hypertrophic cardiomyopathy
• obstructive idiopathic hypertrophic cardiomyopathy
• obstructive cardiomyopathy
• hypertrophic obstructive cardiomyopathy
• idiopathic hypertrophic subaortic stenosis
• muscular subaortic stenosis
• hypertrophic obstructive subaortic stenosis

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