Related Experiment Video
Updated: May 7, 2026

An Image Guided Transapical Mitral Valve Leaflet Puncture Model of Controlled Volume Overload from Mitral Regurgitation in the Rat
Published on: May 19, 2020
Anterolateral Papillary Muscle Rupture After Acute Myocardial Infarction Leading to Severe Mitral Regurgitation: A
Zeyan Liu1, Shou Zhou1, Xuexiang Li1
1Department of Emergency Internal Medicine Second Affiliated Hospital of Anhui Medical University Hefei Anhui China.
None:
Due to dual blood supply, ischemic mitral anterolateral papillary muscle rupture is less common than that of posteromedial papillary muscle and is rare in acute myocardial infarction without left main lesion. "Pseudo-normalization" phenomenon of left ventricular ejection fraction may occur in the early stage, which is inconsistent with clinical symptoms.
Related Concept Videos
Mitral Valve Prolapse I: Introduction
Mitral Regurgitation I: Introduction
Mitral Regurgitation II: Clinical Features and Diagnostic Tests
Mitral Regurgitation III: Medical Management
Mitral Regurgitation IV: Nursing Management
Aortic Regurgitation I: Introduction

