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Related Concept Videos

Cardiomyopathy IV: Restrictive Cardiomyopathy01:29

Cardiomyopathy IV: Restrictive Cardiomyopathy

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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...
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Cardiomyopathy I: Introduction and Classification01:25

Cardiomyopathy I: Introduction and Classification

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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...
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Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

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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...
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Myocarditis I: Introduction01:21

Myocarditis I: Introduction

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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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Cardiomyopathy II: Dilated Cardiomyopathy01:30

Cardiomyopathy II: Dilated Cardiomyopathy

772
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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Myocarditis II: Clinical Features and Diagnostic Tests01:27

Myocarditis II: Clinical Features and Diagnostic Tests

446
Myocarditis is an inflammation of the heart muscle. The symptoms vary widely, encompassing asymptomatic presentations to severe, acute manifestations.Clinical PresentationAsymptomatic cases: In some instances, myocarditis may be asymptomatic, with the infection resolving without intervention. These cases often go undetected unless discovered incidentally through diagnostic imaging or tests conducted for other reasons.General Early Symptoms: Early symptoms of myocarditis are non-specific and can...
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Infiltrative Cardiomyopathies.

David Bejar1, Paolo C Colombo1, Farhana Latif1

  • 1Division of Cardiology, Columbia University Medical Center, New York, NY, USA.

Clinical Medicine Insights. Cardiology
|August 6, 2015
PubMed
Summary
This summary is machine-generated.

Infiltrative cardiomyopathies, often inherited or acquired, can cause severe heart problems. Early diagnosis of conditions like glycogen storage disease is crucial for potentially curative treatment and improved prognosis.

Keywords:
Infiltrative cardiomyopathyamyloidosishemochromatosissarcoidosis

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Area of Science:

  • Cardiology
  • Cardiovascular Medicine
  • Infiltrative Diseases

Background:

  • Infiltrative cardiomyopathies encompass diverse inherited and acquired conditions.
  • These diseases often lead to adverse prognoses, heart failure, and arrhythmias.
  • Early diagnosis is key for potentially curative interventions in specific cases like glycogen storage disease.

Purpose of the Study:

  • To review the spectrum of infiltrative cardiomyopathies.
  • To highlight diagnostic approaches and treatment strategies.
  • To emphasize the importance of clinical suspicion for rare cardiac conditions.

Main Methods:

  • Review of existing literature on infiltrative cardiomyopathies.
  • Discussion of diagnostic tools from electrocardiography to advanced imaging.
  • Analysis of treatment modalities including medical, device, and transplant options.

Main Results:

  • Infiltrative cardiomyopathies cause ventricular wall thickening, chamber dilatation, and conduction system disruption.
  • Common consequences include heart failure, atrioventricular block, and ventricular arrhythmias.
  • Cardiac amyloidosis serves as a primary example of these conditions.

Conclusions:

  • A high index of clinical suspicion is vital for diagnosing rare infiltrative cardiomyopathies.
  • Advanced imaging like cardiac magnetic resonance (CMR) and nuclear imaging are increasingly important.
  • Treatment is etiology-dependent, ranging from medications to organ transplantation.