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Related Concept Videos

Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

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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...
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Mitral Regurgitation I: Introduction01:20

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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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Mitral Stenosis II: Clinical features and Diagnostic Tests01:23

Mitral Stenosis II: Clinical features and Diagnostic Tests

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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...
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Myocarditis I: Introduction01:21

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Myocarditis is inflammation of the myocardium, which is the muscular layer of the heart.EtiologyMyocarditis has a diverse etiology, including a wide range of infectious and non-infectious causes:Infectious CausesViral: Common viruses include Coxsackie A and B, adenovirus, parvovirus B19, enteroviruses, and influenza A.Bacterial: Examples include infections caused by Streptococcus, Staphylococcus, and Mycoplasma species.Rickettsial: Infections like Rocky Mountain spotted fever can result in...
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Angina II: Classification01:27

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Angina, also known as angina pectoris, is a chest pain resulting from diminished blood flow to the heart muscle and is often a symptom of coronary artery disease. Angina presents several variants with distinctive attributes, etiologies, and therapeutic approaches. The main types of angina include stable, unstable, variant (Prinzmetal's), microvascular, intractable, and silent ischemia.Stable angina is caused by atherosclerosis, which leads to the formation of plaques that narrow the coronary...
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Rheumatic Heart Disease I: Introduction01:23

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Rheumatic heart disease or RHD is a chronic condition that results from rheumatic fever, causing permanent damage to the heart valves.Etiology and Risk FactorsIt primarily arises from rheumatic fever, an inflammatory disease that can develop after untreated or inadequately treated group A streptococcal (GAS) pharyngitis. Streptococcus spreads through direct contact with oral or respiratory secretions. While the bacteria are the causative agents, factors like malnutrition, overcrowding, poor...
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Generation and Characterization of Right Ventricular Myocardial Infarction Induced by Permanent Ligation of the Right Coronary Artery in Mice
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Ventricular Septal Rupture Complicating Silent Myocardial Infarction.

Amr Telmesani1,2, Qasim Al Abri1, Mohammed Chamsi-Pasha1

  • 1Houston Methodist DeBakey Heart & Vascular Center, Houston Methodist Hospital, Houston, Texas, US.

Methodist Debakey Cardiovascular Journal
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PubMed
Summary

A 55-year-old man experienced shortness of breath due to a ventricular septal rupture (VSR) after a heart attack. Cardiac MRI revealed significant left-to-right shunting, indicating a large VSR with myocardial infarction and aneurysm.

Keywords:
intracardiac shuntingmyocardial infarctionventricular septal rupture

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Area of Science:

  • Cardiology
  • Cardiac Imaging
  • Cardiovascular Surgery

Background:

  • Ventricular septal rupture (VSR) is a rare but serious complication following myocardial infarction.
  • Early diagnosis and assessment of VSR are crucial for patient management and outcomes.

Observation:

  • A 55-year-old male presented with acute shortness of breath.
  • Cardiac magnetic resonance imaging (CMR) was utilized for diagnostic evaluation.
  • The imaging focused on assessing intracardiac shunting and potential VSR.

Findings:

  • CMR demonstrated significant left-to-right shunting with a Qp:Qs ratio of 4:1, indicative of a large VSR.
  • Evidence of transmural myocardial infarction was observed.
  • An aneurysm was identified at the diaphragmatic inferior wall of the left ventricle.

Implications:

  • This case highlights the utility of CMR in diagnosing complex cardiac conditions like VSR post-myocardial infarction.
  • The findings underscore the importance of prompt diagnosis for guiding therapeutic strategies.
  • Management may involve surgical or interventional approaches to address the VSR, infarction, and aneurysm.