Posture related symptoms in left ventricular outflow tract obstruction | Zendy

Fouad Hasson | Zendy; Kumar Ganesan | Zendy; Gabriel da Rocha Fernandes | Zendy; Tarun Mittal | Zendy; Christopher Travill | Zendy

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Posture related symptoms in left ventricular outflow tract obstruction

Author(s) -

Fouad Hasson,

Kumar Ganesan,

Gabriel da Rocha Fernandes,

Tarun Mittal,

Christopher Travill

Publication year - 2015

Publication title -

international cardiovascular forum journal

Language(s) - English

Resource type - Journals

eISSN - 2410-2636

pISSN - 2409-3424

DOI - 10.17987/icfj.v1i4.53

Subject(s) - outflow , ventricular outflow tract obstruction , cardiology , medicine , physics , meteorology , hypertrophic cardiomyopathy

A stress echocardiogram showed restrictive LV physiology, and outfl ow tract (OT) gradient of 20mmHg, at rest. With increase in heart rate from 67 to 140 bpm with dobutamine, BP dropped from 132/77 to 86/57 mmHg, and the patient developed severe LVOT obstruction with peak gradient of 145mmHg, moderate mitral regurgitation, atrial fi brillation with BBB. Interestingly, despite peak stress HR of 165, signifi cant LVOT obstruction and drop of systolic blood pressure the patient did not experience breathlessness or other symptoms on supine position.

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