09 May 2026
: Case report 
An Uncommon Presentation of Heyde Syndrome: Absence of Visible Endoscopic Angiodysplasia With Resolution After Transcatheter Aortic Valve Replacement
Unusual clinical course, Challenging differential diagnosis, Unusual or unexpected effect of treatment
Ronnie A. Napoles ABCDEFG 1*, Cristina Benites
ABCDEFG 2, Gabriella Morey ABCDEFG 2, Anthony H. Xu E 2, Luis Santiago Zayas ABCDEFG 3, Kristen Santana ABCDEFG 3, Livasky Concepcion Perez ABCDEFG 3
DOI: 10.12659/AJCR.951614
Am J Case Rep 2026; 27:e951614
Figure 2 Transthoracic echocardiogram demonstrating findings consistent with severe aortic stenosis. (A) This image reveals findings that meet criteria for Severe Aortic Stenosis: AVA (VTI) 0.7 cm2. (AVA <1.0 cm2) (green box); AV mean PG 47.11 mmHg (>40 mmHg) (yellow box); Peak Velocity/AV max 4.23 m/s (>4 m/s) (red box). (B) This image reveals findings of severe aortic stenosis. The red arrow marks the sclerotic valve. (C) This image reveals findings of severe aortic stenosis. The red arrow marks the sclerotic calcified valve.