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Related Concept Videos

Myocarditis I: Introduction01:21

Myocarditis I: Introduction

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...
Acute Coronary Syndrome I: Introduction01:30

Acute Coronary Syndrome I: Introduction

Acute Coronary Syndrome (ACS) encompasses a spectrum of heart conditions caused by sudden obstruction of coronary arteries, typically resulting from the rupture of an atherosclerotic plaque and subsequent thrombus (blood clot) formation. This obstruction can lead to partial or complete blockage of blood flow, causing varying degrees of myocardial ischemia or infarction.ACS includes the following clinical entities:Unstable Angina (UA)Non-ST-Elevation Myocardial Infarction (NSTEMI)ST-Elevation...
Myocarditis II: Clinical Features and Diagnostic Tests01:27

Myocarditis II: Clinical Features and Diagnostic Tests

Myocarditis is an inflammation of the heart muscle. The symptoms vary widely, encompassing asymptomatic presentations to severe, acute manifestations.Clinical PresentationAsymptomatic cases: In some instances, myocarditis may be asymptomatic, with the infection resolving without intervention. These cases often go undetected unless discovered incidentally through diagnostic imaging or tests conducted for other reasons.General Early Symptoms: Early symptoms of myocarditis are non-specific and can...
Myocarditis III: Medical Management01:14

Myocarditis III: Medical Management

Myocarditis: Comprehensive Medical ManagementMyocarditis, the heart muscle inflammation, requires a comprehensive medical management strategy that addresses the underlying cause, provides supportive care, manages symptoms, and reduces cardiac workload.Infections and Autoimmune CausesAdminister appropriate antimicrobial therapy when an infectious agent causes myocarditis. For instance, penicillin treats infections caused by Group A Streptococcus. In cases where autoimmune processes are...
Myocarditis IV: Nursing Management01:22

Myocarditis IV: Nursing Management

Myocarditis is an inflammatory condition of the myocardium requiring meticulous nursing management for optimal patient outcomes. Effective management begins with a thorough assessment of the patient's medical history, paying close attention to past infections, autoimmune disorders, travel history, and exposure to toxins or drugs. Recent viral infections and systemic diseases are particularly relevant due to their potential role in triggering myocarditis.Physical Examination and MonitoringThe...
Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations01:19

Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations

The pathophysiology of Acute Coronary Syndrome [ACD] involves several key processes:The main underlying cause of ACD is atherosclerosis, a chronic inflammatory disease characterized by the buildup of lipid-laden plaques within the coronary arteries.As the atherosclerotic plaque grows in the coronary artery, it may become unstable due to the formation of a lipid-rich core and a thin fibrous cap. Inflammatory cells within the plaque, such as macrophages, secrete enzymes that degrade the...

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Related Experiment Video

Updated: Jun 28, 2026

Remotely Triggered LAD Occlusion Using a Balloon Catheter in Spontaneously Breathing Mice
07:17

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Published on: March 22, 2024

[Sportman's myocardial infarction].

X Halna du Fretay1, B Gérardin

  • 1Hôpital Foch, 40, rue Worth, 92150 Suresnes, France. xdufretay@wanadoo.fr

Annales De Cardiologie Et D'Angeiologie
|November 8, 2008
PubMed
Summary

Sudden cardiac death in athletes over 35 is rare but serious, often linked to smoking and single-vessel disease. Preparticipation screening, including exercise stress testing, needs re-evaluation for effectiveness in identifying at-risk individuals.

Area of Science:

  • Cardiology
  • Sports Medicine
  • Preventive Cardiology

Context:

  • Sport-related myocardial infarctions (SRMI) are infrequent but present severe clinical scenarios.
  • Affected individuals are typically males over 35 with a high prevalence of smoking.
  • Sudden death and ventricular fibrillation are common initial presentations.

Purpose:

  • To evaluate the effectiveness of preparticipation screening for cardiovascular abnormalities in athletes.
  • To question the role of exercise stress testing in identifying athletes at risk for SRMI.
  • To propose a refined strategy for tracking at-risk individuals.

Summary:

  • SRMI predominantly affects older male athletes who smoke, often presenting as sudden cardiac death.
  • Angiographic findings in these cases frequently reveal single-vessel disease or minimal lesions.

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Murine Myocardial Infarction Model using Permanent Ligation of Left Anterior Descending Coronary Artery

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A Modified Simple Method for Induction of Myocardial Infarction in Mice
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A Modified Simple Method for Induction of Myocardial Infarction in Mice

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Remotely Triggered LAD Occlusion Using a Balloon Catheter in Spontaneously Breathing Mice
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Published on: March 22, 2024

Murine Myocardial Infarction Model using Permanent Ligation of Left Anterior Descending Coronary Artery
08:38

Murine Myocardial Infarction Model using Permanent Ligation of Left Anterior Descending Coronary Artery

Published on: August 16, 2019

A Modified Simple Method for Induction of Myocardial Infarction in Mice
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A Modified Simple Method for Induction of Myocardial Infarction in Mice

Published on: December 3, 2021

  • The data challenges the current preparticipation screening protocols, particularly exercise stress testing.

    • Impact:

    • Re-evaluation of screening strategies is crucial for preventing sudden cardiac events in sports.
    • Developing effective risk-tracking methods is essential for athlete safety.
    • Implementing rapid defibrillation protocols in sports venues can improve outcomes for sudden cardiac death victims.