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Related Concept Videos

Cardiomyopathy IV: Restrictive Cardiomyopathy01:29

Cardiomyopathy IV: Restrictive Cardiomyopathy

17
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...
17
Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

30
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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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...
36
Cardiomyopathy II: Dilated Cardiomyopathy01:30

Cardiomyopathy II: Dilated Cardiomyopathy

19
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,...
19
Rheumatic Heart Disease I: Introduction01:23

Rheumatic Heart Disease I: Introduction

27
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...
27
Cardiomyopathy V: Interprofessional Care01:29

Cardiomyopathy V: Interprofessional Care

23
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...
23

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Related Experiment Video

Updated: Aug 14, 2025

Assessment of Sarcoplasmic Reticulum Calcium Reserve and Intracellular Diastolic Calcium Removal in Isolated Ventricular Cardiomyocytes
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Cardiac sarcoidosis.

Dae-Won Sohn1,2, Jun-Bean Park3

  • 1Department of Internal Medicine, College of Medicine, Seoul National University, Seoul, South Korea dwsohn@snu.ac.kr.

Heart (British Cardiac Society)
|January 11, 2023
PubMed
Summary
This summary is machine-generated.

Diagnosing cardiac sarcoidosis (CS) is challenging due to low biopsy yield. Recent imaging advances aid diagnosis, but treatment strategies for CS require further large-scale studies and expert consensus.

Keywords:
Cardiomyopathies

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Area of Science:

  • Cardiology
  • Immunology
  • Pulmonology

Background:

  • Cardiac sarcoidosis (CS) diagnosis is difficult due to patchy myocardial involvement and low endomyocardial biopsy yield.
  • Current guidelines often require histological confirmation, hindering diagnosis, especially for isolated CS.
  • Treatment decisions for CS currently rely on expert consensus and accumulated experience, lacking large-scale study guidance.

Purpose of the Study:

  • To review current diagnostic criteria and modalities for cardiac sarcoidosis.
  • To summarize recommended treatment strategies for cardiac sarcoidosis.
  • To provide expert opinions on tailoring diagnostic and treatment plans for CS.

Main Methods:

  • Literature review of diagnostic criteria and imaging modalities for CS.
  • Analysis of current treatment recommendations and expert consensus for CS.
  • Synthesis of expert opinions on managing CS.

Main Results:

  • Endomyocardial biopsy has a low diagnostic yield in CS.
  • Advanced imaging like cardiac MRI and 18-FDG PET have improved CS diagnosis.
  • Treatment of CS remains challenging due to limited large-scale data and varying expert opinions.

Conclusions:

  • While imaging has improved CS diagnosis, histological confirmation remains a challenge.
  • New immunosuppressants are being used, but their efficacy in CS needs further investigation.
  • Personalized approaches to diagnosis and treatment are crucial for managing cardiac sarcoidosis effectively.