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Related Concept Videos

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,...
Cardiomyopathy I: Introduction and Classification01:25

Cardiomyopathy I: Introduction and Classification

Cardiomyopathy, or CMP, is a group of diseases affecting the myocardial structure, impairing its ability to pump blood effectively. This condition can lead to arrhythmias, heart failure, or sudden cardiac death.Cardiomyopathies are classified into primary and secondary categories:Primary Cardiomyopathy refers to conditions involving only the heart muscle that are often idiopathic (of unknown cause) or genetic. They primarily affect the myocardium without the involvement of other systemic...
Cardiomyopathy V: Interprofessional Care01:29

Cardiomyopathy V: Interprofessional Care

Managing cardiomyopathy involves addressing underlying or precipitating causes, treating heart failure with medications, and implementing dietary changes and a balanced exercise and rest regimen.Lifestyle ModificationsCardiomyopathy patients should adopt a low-sodium diet to reduce fluid retention and manage heart failure. A personalized exercise and rest plan helps maintain physical fitness without overstraining the heart. Avoiding alcohol and tobacco is essential to prevent further damage to...
Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
Cardiomyopathy IV: Restrictive Cardiomyopathy01:29

Cardiomyopathy IV: Restrictive Cardiomyopathy

Restrictive cardiomyopathy (RCM) is a rare heart muscle disease characterized by impaired ventricular filling due to stiffened ventricular walls, leading to significant diastolic dysfunction.EtiologyRestrictive cardiomyopathy can arise from both inherited and acquired diseases, many of which are systemic. It is categorized into four main types: infiltrative, storage, non-infiltrative, and endomyocardial diseases.Infiltrative diseases, such as amyloidosis, lead to RCM by depositing amyloid...
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...

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A Doxorubicin-Induced Murine Model of Dilated Cardiomyopathy In Vivo
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Published on: May 16, 2020

Dilated cardiomyopathy: a review.

A Luk1, E Ahn, G S Soor

  • 1Department of Medicine, Toronto General Hospital/University Health Network, Toronto, Ontario, Canada.

Journal of Clinical Pathology
|November 20, 2008
PubMed
Summary
This summary is machine-generated.

Dilated cardiomyopathy (DCM) is a common heart condition with diverse causes. This review covers genetic and acquired origins, pathophysiology, and diagnostic strategies for DCM.

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Area of Science:

  • Cardiology
  • Genetics
  • Pathology

Background:

  • Dilated cardiomyopathy (DCM) is a prevalent cardiac condition with a broad differential diagnosis.
  • Numerous pathologies can manifest as DCM, complicating diagnostic approaches.
  • Understanding the diverse etiologies is crucial for effective patient management.

Purpose of the Study:

  • To provide a comprehensive review of dilated cardiomyopathy.
  • To discuss genetic and acquired causes, pathophysiology, and diagnostic criteria for DCM.
  • To outline an approach to the management of DCM.

Main Methods:

  • Literature review of genetic and acquired causes of DCM.
  • Discussion of the pathophysiology of myocardial damage.
  • Analysis of pathological findings and diagnostic criteria.
  • Review of current management strategies for DCM.

Main Results:

  • DCM can arise from a wide spectrum of genetic and acquired conditions.
  • Myocardial damage pathophysiology varies depending on the underlying cause.
  • Diagnostic criteria aid in differentiating DCM from other cardiac pathologies.
  • Management strategies are tailored to the specific etiology and patient presentation.

Conclusions:

  • Dilated cardiomyopathy is a complex condition with multifactorial origins.
  • Accurate diagnosis relies on integrating clinical, pathological, and etiological information.
  • Effective management requires a thorough understanding of DCM's diverse causes and pathophysiology.
  • This review aims to equip physicians with knowledge for diagnosing and managing DCM.