Related Experiment Video
Updated: Aug 17, 2025

A Doxorubicin-Induced Murine Model of Dilated Cardiomyopathy In Vivo
Published on: May 16, 2020
[Dilated cardiomyopathy: a toxic cause?]
Samuel Kehoe1, Astrid Malézieux-Picard2, Virginie Prendki3
1Service d'anesthésiologie, Département de médecine aiguë, Hôpitaux universitaires de Genève, 1211 Genève 14.
Insights
Toxic dilated cardiomyopathy involves heart muscle enlargement and reduced function. Identifying and treating toxic causes is crucial for managing this heart condition.
Area of Science:
- Cardiology
- Toxicology
Background:
- Dilated cardiomyopathy (DCM) is characterized by left ventricular enlargement and impaired contractility.
- It is diagnosed when other causes like abnormal loading or coronary artery disease are excluded.
Observation:
- This article details a case of suspected toxic dilated cardiomyopathy.
- The patient's condition prompted an investigation into potential environmental or substance-induced cardiac issues.
Findings:
- Toxic dilated cardiomyopathy can arise from various exposures.
- Prompt identification of the toxic agent is key to effective management.
Implications:
- Understanding toxic etiologies expands differential diagnoses for DCM.
- Early intervention can improve patient outcomes and prevent irreversible cardiac damage.
Abstract:
Dilated cardiomyopathy is defined by the presence of left ventricular dilatation and contractile dysfunction in the absence of abnormal loading conditions and severe coronary artery disease. Once dilated cardiomyopathy is discovered, a careful and detailed history with laboratory tests may reveal a potential toxic cause. In this article, we present the case of a patient with suspected toxic dilated cardiomyopathy, and then discuss the common causes and treatment of toxic dilated cardiomyopathy.
Related Concept Videos
Cardiomyopathy II: Dilated Cardiomyopathy
Cardiomyopathy V: Interprofessional Care
Cardiomyopathy IV: Restrictive Cardiomyopathy
Cardiomyopathy III: Hypertrophic Cardiomyopathy
Cardiomyopathy I: Introduction and Classification
Myocarditis I: Introduction

