Related Experiment Video
Updated: Sep 21, 2025
08:42
Cox-Maze IV Procedure Concomitant with Valvular Surgery In Situs Inversus Dextrocardia: A Single-Center Experience in China
Published on: February 11, 2022
3.6K
Two Cases of Arrhythmic Mitral Valve Prolapse: Evil Has Many Faces
Dimitrios Sfairopoulos1, Lampros Lakkas2, Aidonis Rammos2
1First Department of Cardiology, Faculty of Medicine, University of Ioannina, Ioannina, Greece.
Summary
Mitral valve prolapse (MVP), a common heart condition, can lead to sudden cardiac death (SCD) due to arrhythmias. Current markers are inconsistent, necessitating better risk identification for arrhythmic MVP patients.
Area of Science:
- Cardiology
- Cardiac Electrophysiology
- Valvular Heart Disease
Background:
- Mitral valve prolapse (MVP) is a prevalent valvular heart disease, often considered benign.
- However, MVP can be associated with life-threatening complications like sudden cardiac death (SCD) driven by ventricular arrhythmias (VAs).
Observation:
- Several clinical, ECG, and imaging findings (e.g., T-wave inversions, complex ectopy, myocardial fibrosis) are linked to MVP-related SCD.
- No single or combined marker reliably predicts malignant VAs and SCD in MVP patients.
- This highlights the challenge in identifying high-risk individuals.
Findings:
- The study presents two cases of arrhythmic MVP, illustrating the condition's diverse clinical presentations.
- These cases underscore the need to explore underlying arrhythmogenic mechanisms in MVP.
- The presented cases emphasize the importance of identifying patients at high risk for arrhythmias.
Implications:
- Accurate identification of high-arrhythmic-risk patients with MVP is crucial for timely intervention.
- Further research into novel biomarkers and risk stratification strategies for MVP is warranted.
- Understanding arrhythmogenic mechanisms may lead to improved management and prevention of SCD in MVP.
Related Concept Videos
01:27Mitral Valve Prolapse I: Introduction
52
IntroductionThe mitral valve, one of the heart's four valves, regulates blood flow. These valves have flaps that open and close to direct blood properly through the heart and body. During each heartbeat, the flaps open for blood to pass through and seal shut to prevent backflow. Specifically, the mitral valve opens to allow blood flow from the heart's upper left chamber to the lower left chamber. It then closes securely as the lower left chamber contracts to pump blood to the body, preventing...
52
01:22Mitral Valve Prolapse II: Assessment and Management
49
IntroductionA range of clinical features characterizes Mitral Valve Prolapse (MVP), but it is important to note that many individuals with MVP are asymptomatic and may remain so throughout their lives. For those who do exhibit symptoms, the following are the key clinical features:Palpitations: This is a common symptom where individuals feel an irregular or rapid heartbeat. Palpitations in MVP are often due to arrhythmias such as premature ventricular contractions or supraventricular...
49
01:22Mitral Stenosis I: Introduction
53
Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
53
01:23Mitral Stenosis II: Clinical features and Diagnostic Tests
39
Mitral stenosis is a heart condition in which the mitral valve, which allows blood to flow from the left atrium to the left ventricle, becomes narrowed or stenotic. This narrowing hinders blood flow and leads to clinical symptoms requiring specific medical evaluations and management strategies. The following overview outlines the clinical symptoms, assessments, diagnostic findings, prevention methods, and treatments for mitral stenosis.Clinical ManifestationsDyspnea (shortness of breath): This...
39
01:20Mitral Regurgitation I: Introduction
67
Mitral regurgitation is characterized by the backward circulation of blood from the left ventricle to the left atrium during systole, a phase of the cardiac cycle when the heart contracts and pumps blood out of the chambers. This abnormal flow occurs primarily due to the dysfunction of the mitral valve or its supporting structures, which include the mitral leaflets, chordae tendineae, annulus, and papillary muscles.Etiology and Mechanisms:Primary Mitral Regurgitation: This type arises from...
67
01:23Mitral Regurgitation II: Clinical Features and Diagnostic Tests
62
Mitral regurgitation (MR) is a valvular heart disorder in which the mitral valve fails to close tightly, allowing blood to leak backward into the heart. Understanding the clinical manifestations, assessment, diagnostic findings, and medical management of MR is crucial to effectively managing affected patients.Clinical Manifestations of Mitral RegurgitationMitral regurgitation can be acute or chronic, each presenting differently and requiring different approaches:1. Acute Mitral...
62