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Related Concept Videos

Rheumatic Heart Disease I: Introduction01:23

Rheumatic Heart Disease I: Introduction

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...
Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies01:22

Rheumatic Heart Disease II: Clinical Manifestations and Diagnostic Studies

The key clinical manifestations of Rheumatic heart disease (RHD) include several distinct cardiac symptoms.Carditis, a hallmark of acute rheumatic fever, involves inflammation of the heart's endocardium, myocardium, and pericardium. Chronic RHD often results from recurrent episodes of carditis. Its symptoms include the following:Murmurs are caused by valvular damage, especially to the mitral and aortic valves. Mitral stenosis or regurgitation is common, with characteristic heart murmurs...
Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

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

Mitral Stenosis II: Clinical features and Diagnostic Tests

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...
Cardiomyopathy II: Dilated Cardiomyopathy01:30

Cardiomyopathy II: Dilated Cardiomyopathy

Dilated cardiomyopathy, or DCM, is a progressive myocardial disorder characterized by ventricular chamber dilation and contractile dysfunction.EtiologyVarious factors can cause DCM, including hypertension and heavy alcohol intake, which contribute to the weakening and enlargement of the heart muscle. Viral infections, such as Coxsackievirus B, adenoviruses, and influenza, can lead to DCM by causing inflammation and damage to heart tissue. Certain chemotherapeutic agents, including daunorubicin,...

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Related Experiment Video

Updated: Jun 4, 2026

Implantation of Total Artificial Heart in Congenital Heart Disease
07:27

Implantation of Total Artificial Heart in Congenital Heart Disease

Published on: July 18, 2014

[Heart and Steinert's disease].

A Fayssoil1, O Nardi

  • 1University of medicine and dentistry de New Jersey, Camden, États-Unis. fayssoil2000@yahoo.fr

Annales De Cardiologie Et D'Angeiologie
|January 29, 2011
PubMed
Summary
This summary is machine-generated.

Myotonic dystrophy type 1 causes muscle weakness and affects multiple organs, frequently impacting the heart. This condition, also known as Steinert disease, can lead to serious cardiac issues like arrhythmias.

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Last Updated: Jun 4, 2026

Implantation of Total Artificial Heart in Congenital Heart Disease
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Published on: July 18, 2014

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Published on: April 15, 2020

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Area of Science:

  • Genetics and Molecular Biology
  • Cardiology
  • Neurology

Context:

  • Myotonic dystrophy type 1 (DM1), or Steinert disease, is a leading cause of adult-onset muscular dystrophy.
  • It is an autosomal dominant genetic disorder.
  • DM1 is characterized by myotonia and progressive multisystemic complications.

Purpose:

  • To summarize the key features of Myotonic dystrophy type 1.
  • To highlight the cardiac manifestations associated with DM1.
  • To underscore the significance of multiorgan damage in DM1.

Summary:

  • Myotonic dystrophy type 1 (DM1) presents as an autosomal dominant disorder.
  • Clinical manifestations include myotonia and significant multiorgan damage.
  • Cardiac involvement is a common and serious complication, encompassing cardiomyopathies, atrioventricular block, and atrial and ventricular arrhythmias.

Impact:

  • Provides a concise overview of DM1 for researchers and clinicians.
  • Emphasizes the critical role of cardiac monitoring in DM1 patients.
  • Contributes to understanding the complex pathophysiology of DM1 and its systemic effects.