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Related Concept Videos

Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

136
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...
136
Mitral Valve Prolapse I: Introduction01:27

Mitral Valve Prolapse I: Introduction

148
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...
148
Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

155
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...
155
Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

Mitral Stenosis II: Clinical features and Diagnostic Tests

79
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...
79
Mitral Valve Prolapse II: Assessment and Management01:22

Mitral Valve Prolapse II: Assessment and Management

150
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...
150
Mitral Stenosis III: Medical Management01:26

Mitral Stenosis III: Medical Management

102
Mitral stenosis, a condition marked by the narrowing of the mitral valve, necessitates an integrated approach for effective management. This approach includes preventative measures, medical therapy, and surgical interventions to reduce symptoms and prevent complications.PreventionPrevention of mitral stenosis primarily focuses on reducing the incidence of bacterial infections, particularly streptococcal infections, which can lead to rheumatic fever and subsequent valvular damage. Timely...
102

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Related Experiment Video

Updated: Nov 14, 2025

Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
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Traumatic mitral annular avulsion and interventricular septum dissection.

Huibo Ma1, Haizhou Zhang2, Xiaochun Ma2

  • 1Department of Vascular Surgery, The Affiliated Hospital of Qingdao University, Qingdao, China.

Cardiology in the Young
|March 12, 2021
PubMed
Summary
This summary is machine-generated.

A rare pediatric traumatic heart injury involving mitral annular avulsion and interventricular septum dissection occurred after a fall. Surgical repair successfully restored hemodynamic stability in a 5-year-old child.

Keywords:
Unintentional falling injuryechocardiographyhaemodynamic stabilityinterventricular septum dissectionmitral annular avulsion

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Area of Science:

  • Cardiology
  • Pediatric Trauma
  • Cardiac Surgery

Background:

  • Traumatic cardiac injuries are uncommon in children.
  • Mitral annular avulsion and interventricular septum dissection are rare sequelae of blunt chest trauma.

Observation:

  • A 5-year-old female sustained an unintentional falling injury.
  • The injury resulted in traumatic mitral annular avulsion and interventricular septum dissection.
  • The patient presented with hemodynamic instability.

Findings:

  • Successful surgical repair of the mitral annulus was achieved.
  • Surgical repair of the interventricular septum dissection was also successful.
  • The combined surgical intervention restored hemodynamic stability.

Implications:

  • This case highlights the possibility of severe cardiac injuries from seemingly minor trauma in children.
  • Prompt surgical intervention is crucial for managing traumatic cardiac avulsion and dissection.
  • Successful repair can lead to favorable outcomes in pediatric cardiac trauma.