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Related Concept Videos

Cardiomyopathy I: Introduction and Classification01:25

Cardiomyopathy I: Introduction and Classification

26
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...
26
Cardiomyopathy V: Interprofessional Care01:29

Cardiomyopathy V: Interprofessional Care

21
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...
21
Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

20
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...
20
Cardiomyopathy IV: Restrictive Cardiomyopathy01:29

Cardiomyopathy IV: Restrictive Cardiomyopathy

14
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...
14
Cardiomyopathy II: Dilated Cardiomyopathy01:30

Cardiomyopathy II: Dilated Cardiomyopathy

14
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,...
14
Cardiomyopathy VI: Nursing Management01:29

Cardiomyopathy VI: Nursing Management

22
Assessment: Nursing management of patients with cardiomyopathy begins with a thorough assessment of the patient's history, including a family history of cardiomyopathy or sudden cardiac death, personal history of heart disease, hypertension, diabetes, and any alcohol consumption or drug use.During the physical examination, assess vital signs, look for signs of heart failure (such as edema, jugular venous distention, and cyanosis), auscultate for abnormal heart sounds (like murmurs and gallops),...
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Related Experiment Video

Updated: Aug 7, 2025

Isolation and Characterization of Cardiac Mesenchymal Stromal Cells from Endomyocardial Bioptic Samples of Arrhythmogenic Cardiomyopathy Patients
09:16

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Septic cardiomyopathy: A narrative review.

Maria Rita Lima1, Doroteia Silva2

  • 1Hospital de Santa Cruz, Centro Hospitalar Lisboa Ocidental, Lisbon, Portugal.

Revista Portuguesa De Cardiologia : Orgao Oficial Da Sociedade Portuguesa De Cardiologia = Portuguese Journal of Cardiology : an Official Journal of the Portuguese Society of Cardiology
|March 9, 2023
PubMed
Summary

Sepsis-induced myocardial dysfunction (SIMD) affects over half of septic patients, causing heart problems. Advanced imaging helps diagnose and understand this reversible condition, though more research is needed.

Keywords:
DiagnosisDiagnósticoDisfunção miocárdica induzida por sepsisPrognosisPrognósticoSepsis-induced myocardial dysfunctionTratamentoTreatment

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Area of Science:

  • Cardiology
  • Critical Care Medicine
  • Pathophysiology

Background:

  • Sepsis is a life-threatening organ dysfunction caused by a dysregulated host response to infection.
  • Sepsis-induced myocardial dysfunction (SIMD) is a common complication, affecting over 50% of patients.
  • SIMD is characterized by left ventricular dilatation, impaired systolic and diastolic function, and potential reversibility.

Purpose of the Study:

  • To review and summarize current knowledge on sepsis-induced myocardial dysfunction (SIMD).
  • To discuss the evolving definitions, diagnostic challenges, and assessment methods for SIMD.
  • To highlight uncertainties regarding SIMD mechanisms, treatment, and prognosis.

Main Methods:

  • Literature review of studies on sepsis-induced myocardial dysfunction.
  • Analysis of diagnostic parameters and advanced imaging techniques (echocardiography, speckle tracking, cardiac MRI).
  • Synthesis of current understanding of SIMD characteristics and reversibility.

Main Results:

  • SIMD presents with specific cardiac changes, including left ventricular dilatation and biventricular dysfunction.
  • Advanced echocardiography, like speckle tracking, aids early diagnosis of systolic and diastolic dysfunction.
  • Cardiac MRI offers insights into the reversible nature of SIMD.

Conclusions:

  • Despite advancements, significant uncertainties persist regarding SIMD's mechanisms, treatment, and prognosis.
  • Accurate assessment of cardiac function in sepsis remains challenging due to hemodynamic alterations.
  • Further research is crucial to clarify the complexities of SIMD and improve patient outcomes.