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Related Concept Videos

Pneumothorax-I01:26

Pneumothorax-I

A pneumothorax is a condition where air builds up in the space between the lung and the chest wall, causing the lung to collapse. This condition arises when air enters the space between the parietal and visceral pleura, disrupting the negative pressure essential for lung inflation. This can lead to a partial or complete collapse of the lung.
Pneumothorax can be even further classified as spontaneous, traumatic, and tension pneumothorax.
Hiatal Hernia01:25

Hiatal Hernia

A hiatal hernia is the abnormal protrusion of the stomach or other abdominal organs through the esophageal hiatus of the diaphragm into the thoracic cavity.Normally, the gastroesophageal junction (GEJ) lies below the diaphragm and is supported by the phrenoesophageal membrane, the diaphragmatic crura, and connective tissues. Weakening of these structures—due to aging, congenital defects like a short esophagus, or increased intra-abdominal pressure from coughing, obesity, pregnancy, or heavy...
Pneumothorax II: Pathophysiology01:08

Pneumothorax II: Pathophysiology

Pneumothorax means the presence of air in the pleural space — the thin potential gap between the visceral and parietal pleura. This condition disrupts the normal pressure balance that keeps the lungs inflated, leading to partial or complete collapse of the affected lung.Normal physiologyUnder normal conditions, the pleural space maintains a slightly negative intrapleural pressure, which keeps the lungs expanded against the chest wall. This negative pressure creates a delicate balance between...
Pericarditis III: Medical Management01:17

Pericarditis III: Medical Management

The primary objectives of managing pericarditis are to determine the underlying cause, provide effective therapy for treatment and symptom relief, and promptly detect signs and symptoms of cardiac tamponade. The following outlines the essential aspects of medical management for pericarditis:ObjectivesDetermine the Cause: Identifying the underlying cause of pericarditis is crucial for targeted treatment. Causes include viral infections, autoimmune diseases, post-cardiac injury syndrome, and...
Aneurysm II: Clinical Manifestations and Diagnostic Studies01:21

Aneurysm II: Clinical Manifestations and Diagnostic Studies

Thoracic, aortic arch and abdominal aneurysms are significant vascular conditions that can present with various clinical manifestations and lead to serious complications. Understanding these manifestations and the appropriate diagnostic studies is essential for effective management and treatment.Thoracic Aortic AneurysmsThoracic aortic aneurysms often remain asymptomatic until they reach a size that impinges on adjacent structures. They typically cause deep, diffuse chest pain that radiates to...
Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

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...

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Related Experiment Video

Updated: Jun 8, 2026

A Murine Model of Pressure Overload-Induced Right Ventricular Hypertrophy and Failure by Pulmonary Trunk Banding
04:49

A Murine Model of Pressure Overload-Induced Right Ventricular Hypertrophy and Failure by Pulmonary Trunk Banding

Published on: June 14, 2024

[Morgagni hernia causing cardiac tamponade].

S Breinig1, S Paranon, A Le Mandat

  • 1Service de cardiologie pédiatrique, centre hospitalier universitaire, hôpital des Enfants, 330, avenue de Grande-Bretagne, 31059 Toulouse cedex 9, France.

Archives De Pediatrie : Organe Officiel De La Societe Francaise De Pediatrie
|September 17, 2010
PubMed
Summary
This summary is machine-generated.

Morgagni hernia, a rare diaphragmatic issue, can cause severe cyanosis in infants due to heart compression. Surgical repair resolved the condition, leading to a full recovery.

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Surgically Induced Cardiac Volume Overload by Aortic Regurgitation in Mouse
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Surgically Induced Cardiac Volume Overload by Aortic Regurgitation in Mouse

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Last Updated: Jun 8, 2026

A Murine Model of Pressure Overload-Induced Right Ventricular Hypertrophy and Failure by Pulmonary Trunk Banding
04:49

A Murine Model of Pressure Overload-Induced Right Ventricular Hypertrophy and Failure by Pulmonary Trunk Banding

Published on: June 14, 2024

Surgically Induced Cardiac Volume Overload by Aortic Regurgitation in Mouse
08:12

Surgically Induced Cardiac Volume Overload by Aortic Regurgitation in Mouse

Published on: August 30, 2022

Area of Science:

  • Pediatric Surgery
  • Congenital Malformations
  • Cardiology

Background:

  • Morgagni hernia is a rare congenital diaphragmatic malformation, typically asymptomatic in children.
  • This case highlights an unusual presentation of Morgagni hernia in an infant.

Observation:

  • The infant presented with severe cyanosis, indicative of a right-to-left atrial shunt.
  • 2D echocardiography confirmed the atrial shunt, while CT scan diagnosed the Morgagni hernia.
  • The intrathoracic liver was found to be compressing the heart's right chambers, causing tamponade.

Findings:

  • Diagnosis involved 2D echocardiography and CT scan.
  • Intrathoracic liver caused cardiac tamponade via compression of the right heart chambers.
  • Surgical correction involved repositioning the liver into the abdomen.

Implications:

  • Surgical intervention effectively reversed cardiac compression and resolved cyanosis.
  • This case underscores the importance of considering rare complications in Morgagni hernia.
  • Complete symptom resolution and normalization of cardiac structures were observed six months post-surgery.