A case with discrete fibromuscular subaortic stenosis: evaluation by three-dimensional echocardiography

A 20-year-old male presented to our department for evaluation of three episodes of exertional syncope in the last 6 months. Cardiovascular examination revealed a grade III/VI ejection systolic murmur at the right second intercostal space not radiating to carotids. An electrocardiogram showed left ve...

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Bibliographic Details
Published in:Journal of echocardiography 2014-12, Vol.12 (4), p.162-164
Main Authors: Kharwar, Rajiv Bharat, Safal, Dwivedi, Sudhanshu, Saran, Ram Kirti, Chandra, Sharad
Format: Article
Language:English
Subjects:
Cardiology
Images in Cardiovascular Ultrasound
Imaging
Medicine
Medicine & Public Health
Radiology
Ultrasound
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Summary:A 20-year-old male presented to our department for evaluation of three episodes of exertional syncope in the last 6 months. Cardiovascular examination revealed a grade III/VI ejection systolic murmur at the right second intercostal space not radiating to carotids. An electrocardiogram showed left ventricular hypertrophy with strain pattern. Two-dimensional transthoracic echocardiography with color Doppler (Fig. 1a-c; Supplementary Video 1) showed the presence of a discrete fibromuscular ridge in the subaortic region, which resulted in severe subaortic stenosis, with mild aortic valve regurgitation (Fig. 1d). Marked concentric LVH (Left ventricular hypertrophy) was noteworthy (Fig. 1c). Three-dimensional transthoracic echocardiography with color Doppler (Fig. 2a-d; Supplementary Videos 2, 3, and 4) not only revealed a complete circular form of subaortic fibromuscular ridge with an eccentric central opening, but also outlined its relationship with the surrounding structures. ...
ISSN:1349-0222
1880-344X
DOI:10.1007/s12574-014-0228-y