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Related Concept Videos

Mitral Valve Prolapse I: Introduction01:27

Mitral Valve Prolapse I: Introduction

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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...
139
Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

Mitral Stenosis II: Clinical features and Diagnostic Tests

74
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...
74
Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

146
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...
146
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

125
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...
125
Mitral Regurgitation II: Clinical Features and Diagnostic Tests01:23

Mitral Regurgitation II: Clinical Features and Diagnostic Tests

130
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...
130
Mitral Valve Prolapse II: Assessment and Management01:22

Mitral Valve Prolapse II: Assessment and Management

141
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...
141

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Related Experiment Video

Updated: Nov 10, 2025

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
08:31

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair

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Microbubbles Mimicking Prosthetic Mitral Valve Thrombosis.

Muhammad Athar Sadiq1

  • 1Assistant Prof/Consultant Interventional Cardiologist, Sultan Qaboos University Hospital, Muscat, Oman. matharsadiq@gmail.com.

The Journal of Invasive Cardiology
|April 1, 2021
PubMed
Summary
This summary is machine-generated.

Microbubbles formation, not thrombosis, can mimic prosthetic mitral valve issues on echocardiograms. Careful frame-by-frame analysis is crucial to avoid misdiagnosis and unnecessary treatments.

Keywords:
microbubbles formationprosthetic mitral valve

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Area of Science:

  • Cardiology
  • Medical Imaging
  • Echocardiography

Background:

  • A patient with a history of redo mitral valve replacement presented with palpitations.
  • The patient had a bileaflet mechanical mitral valve prosthesis implanted in 2002 due to prosthetic mitral valve endocarditis.

Observation:

  • A transthoracic echocardiogram initially suggested prosthetic mitral valve thrombosis.
  • Experienced echocardiologist review revised the diagnosis to microbubbles formation phenomenon.

Findings:

  • Microbubbles formation can be mistaken for prosthetic mitral valve thrombosis on echocardiograms.
  • Frame-by-frame analysis or reduced frame rate is key to differentiate microbubbles from thrombus.

Implications:

  • Accurate echocardiogram interpretation prevents misdiagnosis of prosthetic valve thrombosis.
  • This differentiation avoids unnecessary thrombolytic therapy or surgical intervention.
  • Highlights the importance of experienced echocardiologist review in mechanical valve assessment.