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Related Concept Videos

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 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,...
Imaging Studies for Cardiovascular System I:Echocardiography01:17

Imaging Studies for Cardiovascular System I:Echocardiography

Cardiac imaging studies encompass a wide range of noninvasive and minimally invasive techniques designed to visualize the heart's structure and function in detail. One such technique is echocardiography, which uses high-frequency ultrasound waves to produce detailed images of the heart, known as echocardiograms.
Indications: Echocardiography is utilized to diagnose heart failure, valve disorders, and myocardial infarction. It also assesses cardiac structures' size, shape, and motion, evaluates...
Imaging Studies for Cardiovascular System II:Types of Echocardiography01:20

Imaging Studies for Cardiovascular System II:Types of Echocardiography

Echocardiography plays a role in assessing cardiac health and detecting heart conditions, with various types providing critical insights for diagnosis and treatment.
Types of Echocardiography
Transthoracic Echocardiography (TTE)
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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...
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Cardiomyopathy IV: Restrictive Cardiomyopathy

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Related Experiment Video

Updated: Jul 19, 2026

Ultrasonic Assessment of Myocardial Microstructure
10:53

Ultrasonic Assessment of Myocardial Microstructure

Published on: January 14, 2014

Non-compacted cardiomyopathy: clinical-echocardiographic study.

Nilda Espinola-Zavaleta1, M Elena Soto, Luis Muñóz Castellanos

  • 1Echocardiography in Outpatient Clinic, Instituto Nacional de Cardiología Ignacio Chávez, Juan Badiano No. 1, Colonia Sección XVI Tlalpan, 14080 México, D.F., Mexico. niesza2001@hotmail.com

Cardiovascular Ultrasound
|September 28, 2006
PubMed
Summary

Ventricular noncompaction, a congenital heart condition, often presents in isolation and is diagnosed via echocardiography. A ratio of noncompacted to compacted myocardium over 3 indicates a poor prognosis.

Related Experiment Videos

Last Updated: Jul 19, 2026

Ultrasonic Assessment of Myocardial Microstructure
10:53

Ultrasonic Assessment of Myocardial Microstructure

Published on: January 14, 2014

Area of Science:

  • Cardiology
  • Medical Diagnostics
  • Congenital Heart Disease

Background:

  • Ventricular noncompaction is a rare congenital cardiomyopathy.
  • It can occur as an isolated finding or be associated with other cardiac anomalies.
  • Clinical presentation varies, necessitating reliable diagnostic tools.

Purpose of the Study:

  • To elucidate the clinical and echocardiographic features of ventricular noncompaction in adult patients.
  • To identify prognostic indicators associated with this condition.

Main Methods:

  • A cohort of 53 adult patients with ventricular noncompaction was studied.
  • Methods included clinical evaluation, electrocardiogram, Holter monitoring, and transthoracic echocardiography.

Main Results:

  • Ventricular noncompaction was isolated in 74% of cases and associated with other congenital heart disease in 26%.
  • The left ventricle was involved in 62% of patients; both ventricles in 38%.
  • A ratio of noncompacted to compacted myocardium >3 and involvement of >3 segments correlated with poorer functional class and increased ventricular arrhythmias (p < 0.003).

Conclusions:

  • Noncompaction cardiomyopathy is a congenital condition, often isolated, and can affect one or both ventricles.
  • Echocardiography is crucial for diagnosis and identifying prognostic factors.
  • A high noncompacted to compacted myocardium ratio and multi-segment involvement signal a poor prognosis.