Related Experiment Video
Updated: May 5, 2026

Operating Transverse Aortic Constriction with Absorbable Suture to Obtain Transient Myocardial Hypertrophy
Published on: September 9, 2020
Apical Hypertrophic Cardiomyopathy With a Sub-aortic Membrane: A Case Report
Akbar Hussain1, Adnan Bhopalwala2, Huzefa Bhopalwala2,3
1Internal Medicine, Appalachian Regional Health, Harlan, USA.
Insights
Hypertrophic obstructive cardiomyopathy (HOCM) and subaortic membrane (SAS) can coexist, complicating diagnosis and treatment. Comprehensive evaluation is crucial for managing these distinct cardiac conditions effectively.
Area of Science:
- Cardiology
- Cardiac Surgery
Background:
- Hypertrophic obstructive cardiomyopathy (HOCM) is a primary myocardial disease.
- Subaortic membrane (SAS) is a congenital or acquired fibrous ridge causing left ventricular outflow tract (LVOT) obstruction.
Observation:
- A 52-year-old male presented with dyspnea and chest tightness.
- Diagnostic evaluations revealed coexisting HOCM and a subaortic membrane.
Findings:
- The patient exhibited dynamic LVOT obstruction due to HOCM.
- A fixed LVOT obstruction was caused by the subaortic membrane.
Implications:
- Concurrent HOCM and SAS present unique diagnostic challenges.
- A thorough diagnostic approach is essential for effective management.
- This case underscores the need for careful assessment in complex cardiac presentations.
Abstract:
Hypertrophic obstructive cardiomyopathy (HOCM) and subaortic membrane (SAS) are distinct cardiac conditions, but their coexistence presents complex diagnostic challenges. We report the case of a 52-year-old male with HOCM and a concurrent subaortic membrane, highlighting the intricacies of diagnosis and management. The patient's presentation included symptoms of dyspnea and chest tightness, and diagnostic evaluations revealed a unique combination of dynamic left ventricular outflow tract (LVOT) obstruction from HOCM and fixed obstruction from the subaortic membrane. This case emphasizes the importance of a comprehensive diagnostic workup to guide appropriate treatment decisions when managing multiple cardiac abnormalities.
More Related Videos
08:42Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China
Published on: February 11, 2022
03:45Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model
Published on: August 8, 2022
Related Concept Videos
Aortic Regurgitation II: Clinical Features and Diagnostic Tests
Cardiomyopathy I: Introduction and Classification
Cardiomyopathy II: Dilated Cardiomyopathy
Cardiomyopathy III: Hypertrophic Cardiomyopathy
Cardiomyopathy IV: Restrictive Cardiomyopathy
Aneurysm I: Introduction