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Related Concept Videos

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 V: Interprofessional Care01:29

Cardiomyopathy V: Interprofessional Care

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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...
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Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

37
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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Pathophysiology of Heart Failure01:17

Pathophysiology of Heart Failure

1.8K
Heart failure (HF) is a progressive syndrome involving ventricles that leads to inadequate cardiac output. It can be classified based on location and output or ejection fraction. Ejection fraction (EF) is an essential measurement in the diagnosis and surveillance of HF. Reduced EF corresponds to systolic heart failure (HFrEF). However, HF with preserved ejection fraction (HFpEF) is becoming increasingly prevalent. Also known as diastolic HF, this form of HF is related to aging. The...
1.8K
Myocarditis I: Introduction01:21

Myocarditis I: Introduction

23
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...
23
Heart Failure II: Pathophysiology01:29

Heart Failure II: Pathophysiology

31
Systolic Heart Failure and Compensatory MechanismsSystolic heart failure (also termed HFrEF, Heart Failure with Reduced Ejection Fraction) is the most prevalent type of heart filure. It results in a decreased volume of blood being pumped from the ventricle. The aortic arch and carotid sinuses have baroreceptors that detect reduced blood pressure, triggering the sympathetic nervous system (SNS) to release epinephrine and norepinephrine. Initially, this response aims to boost heart rate and...
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Related Experiment Video

Updated: Aug 28, 2025

Investigating the Pathogenesis of MYH7 Mutation Gly823Glu in Familial Hypertrophic Cardiomyopathy using a Mouse Model
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Septic Cardiomyopathy: From Pathophysiology to the Clinical Setting.

Federico Carbone1,2, Luca Liberale1,2, Alberto Preda3

  • 1First Clinic of Internal Medicine, Department of Internal Medicine, University of Genoa, 16132 Genoa, Italy.

Cells
|September 23, 2022
PubMed
Summary
This summary is machine-generated.

Sepsis commonly causes cardiomyopathy, impacting patient care. This review clarifies septic cardiomyopathy definitions and molecular causes, aiming to improve risk assessment and treatment strategies.

Keywords:
cardiomyopathyinflammationsepsisseptic shock

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Area of Science:

  • Cardiology
  • Critical Care Medicine
  • Pathophysiology

Background:

  • Sepsis frequently leads to cardiomyopathy, affecting left ventricular contractility and potentially causing dilation and right ventricle failure.
  • Current understanding of septic cardiomyopathy is limited by a lack of consensus on its definition and the influence of hemodynamic factors on echocardiographic findings.

Purpose of the Study:

  • To review the current understanding of sepsis-related cardiomyopathy.
  • To address challenges in defining septic cardiomyopathy due to dynamic hemodynamic influences.
  • To update knowledge on molecular mechanisms underlying myocardial dysfunction in sepsis.

Main Methods:

  • Literature review focusing on sepsis-induced cardiomyopathy.
  • Analysis of echocardiographic findings and their dependence on loading conditions.
  • Exploration of molecular pathways involved in myocardial dysfunction.

Main Results:

  • Septic cardiomyopathy presents with variable echocardiographic findings, often complicated by loading conditions, making precise definition difficult.
  • Cardiac performance fluctuates dynamically with different hemodynamic states in sepsis.
  • Molecular mechanisms implicated in sepsis-induced myocardial dysfunction share similarities with myocardial hibernation.

Conclusions:

  • Improved definitions and understanding of sepsis-induced cardiomyopathy are crucial for better risk stratification.
  • Addressing the unsolved issues in septic cardiomyopathy will enhance clinical care and patient outcomes.