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Related Concept Videos

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...
Heart Failure IV: Classification and Diagnostic Evaluation01:30

Heart Failure IV: Classification and Diagnostic Evaluation

Heart failure can be classified in various ways, with the most common classifications based on physical activity limitations, disease progression, severity, and treatment strategies.The Functional Classification of Heart Failure divides patients into four categories based on physical activity limitation due to symptom burden.Class I: Patients in this class have cardiac disease but no physical activity limitations. Ordinary activities like walking, climbing stairs, or routine tasks do not cause...
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 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 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...

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Related Experiment Video

Updated: Jun 25, 2026

Noninvasive Assessment of Cardiac Abnormalities in Experimental Autoimmune Myocarditis by Magnetic Resonance Microscopy Imaging in the Mouse
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A Modified Classification Scheme for Chagas Cardiomyopathy Incorporating Cardiac Magnetic Resonance Imaging.

Alexandra Smith1, Emilio Fentanes1, Rosco Gore1

  • 1Division of Cardiology, Brooke Army Medical Center, Fort Sam Houston, USA.

Cureus
|June 10, 2024
PubMed
Summary
This summary is machine-generated.

Chagas disease poses public health risks, necessitating better cardiac imaging. This report details a case of Chagas dilated cardiomyopathy in a service member, proposing an updated staging system using cardiac magnetic resonance imaging (CMR) for improved diagnosis.

Keywords:
cardiac magnetic resonance (cmr)chagaschagas cardiomyopathyechocardiogram (echo)treatment of cardiomyopathy

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Cardiac Magnetic Resonance for the Evaluation of Suspected Cardiac Thrombus: Conventional and Emerging Techniques
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Area of Science:

  • Cardiology
  • Infectious Diseases
  • Medical Imaging

Background:

  • Chagas disease, a parasitic infection, presents significant public health concerns, particularly regarding cardiovascular complications.
  • Early and accurate diagnosis of Chagas cardiomyopathy is crucial for effective patient management and prognosis.
  • Current diagnostic methods may not fully capture the spectrum of cardiac involvement.

Observation:

  • A military service member presented with concerning electrocardiographic and cardiac magnetic resonance imaging (CMR) findings.
  • These findings were indicative of Chagas dilated cardiomyopathy, a serious cardiac manifestation of the disease.
  • The case highlighted the utility of advanced imaging in identifying cardiac pathology.

Findings:

  • Cardiac magnetic resonance imaging (CMR) proved instrumental in recognizing Chagas dilated cardiomyopathy.
  • An updated Chagas staging classification incorporating CMR findings is proposed.
  • This enhanced classification aims to improve the diagnostic accuracy of cardiomyopathies in Chagas disease.

Implications:

  • Incorporating CMR into staging classifications can lead to earlier and more precise diagnoses of Chagas cardiomyopathy.
  • Improved diagnostic capabilities can facilitate timely therapeutic interventions and better patient outcomes.
  • This approach enhances cardiovascular imaging strategies for Chagas disease surveillance and management.