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Updated: Jul 24, 2025

Chronic Thromboembolic Pulmonary Hypertension and Assessment of Right Ventricular Function in the Piglet
Published on: November 4, 2015
Sinus of Valsalva Pseudoaneurysm Complicating Infective Endocarditis Causing Right Ventricular Inflow Obstruction
1Department of Medicine and Geriatrics, United Christian Hospital, Hong Kong, China.
Abstract:
Sinus of Valsalva pseudoaneurysm (SVpA) is a rare cause of right ventricular inflow obstruction. We report such a case presented with atrial flutter and cardiogenic shock caused by tricuspid valve obstruction by a narrow-necked right SVpA complicating aortic valve infective endocarditis demonstrated on transesophageal echocardiography and cardiac computed tomography. Despite restoration of sinus rhythm, the patient ran a fatal course due to aneurysmal rupture. We show the value of transesophageal echocardiography in evaluating unstable patients with cardiogenic shock, and the need of urgent surgery in selected patients to avoid a dismal outcome.
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