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Related Concept Videos

Acute Coronary Syndrome I: Introduction01:30

Acute Coronary Syndrome I: Introduction

180
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...
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Mitral Stenosis I: Introduction01:22

Mitral Stenosis I: Introduction

93
Mitral Valve Stenosis (MVS) is a heart condition where the mitral valve narrows, impeding blood circulation from the left atrium to the left ventricle. The etiology and pathophysiology of this condition are multifaceted, leading to a cascade of cardiovascular complications.Causes of Mitral Valve StenosisRheumatic Heart Disease: It is the main cause of mitral valve stenosis, particularly in developing nations. This condition arises from rheumatic fever, an inflammatory illness resulting from...
93
Mitral Regurgitation I: Introduction01:20

Mitral Regurgitation I: Introduction

105
Mitral regurgitation is characterized by the backward circulation of blood from the left ventricle to the left atrium during systole, a phase of the cardiac cycle when the heart contracts and pumps blood out of the chambers. This abnormal flow occurs primarily due to the dysfunction of the mitral valve or its supporting structures, which include the mitral leaflets, chordae tendineae, annulus, and papillary muscles.Etiology and Mechanisms:Primary Mitral Regurgitation: This type arises from...
105
Aortic Regurgitation II: Clinical Features and Diagnostic Tests01:22

Aortic Regurgitation II: Clinical Features and Diagnostic Tests

96
Aortic valve regurgitation (AR) occurs when the aortic valve fails to close properly, allowing blood to flow backward from the aorta into the left ventricle. This backflow can result in two distinct clinical presentations: acute and chronic AR, each characterized by its own set of symptoms and physical findings.Acute Aortic RegurgitationAcute AR presents with a sudden onset of severe symptoms. Patients typically experience profound dyspnea (shortness of breath), chest pain, and signs of left...
96
Cardiovascular System Abnormal Findings II: Auscultation01:25

Cardiovascular System Abnormal Findings II: Auscultation

310
Auscultation, an essential part of a heart examination, is done using a stethoscope. It provides crucial information about heart function and possible heart problems. Due to heart problems, abnormal sounds can be heard during systole or diastole. These sounds include S3 and S4 gallops, opening snaps, systolic clicks, and murmurs.
Abnormal Heart Sounds
Gallops:
310
Mitral Valve Prolapse II: Assessment and Management01:22

Mitral Valve Prolapse II: Assessment and Management

87
IntroductionA range of clinical features characterizes Mitral Valve Prolapse (MVP), but it is important to note that many individuals with MVP are asymptomatic and may remain so throughout their lives. For those who do exhibit symptoms, the following are the key clinical features:Palpitations: This is a common symptom where individuals feel an irregular or rapid heartbeat. Palpitations in MVP are often due to arrhythmias such as premature ventricular contractions or supraventricular...
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Related Experiment Video

Updated: Oct 26, 2025

Generation and Characterization of Right Ventricular Myocardial Infarction Induced by Permanent Ligation of the Right Coronary Artery in Mice
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Left ventricular apex rupture in STEMI.

Amr Mohamed1

  • 1Department of Internal Medicine Rochester General Hospital Rochester NY USA.

Clinical Case Reports
|July 29, 2021
PubMed
Summary

Mechanical complications following myocardial infarction are uncommon but deadly. Prompt diagnosis requires a high index of suspicion, recognizing acute heart failure, cardiogenic shock, new murmurs, or hypoperfusion as critical indicators.

Area of Science:

  • Cardiology
  • Internal Medicine
  • Critical Care Medicine

Background:

  • Mechanical complications of myocardial infarction (MI) are infrequent but associated with high mortality.
  • Early recognition is crucial for timely intervention and improved patient outcomes.

Purpose of the Study:

  • To highlight the critical clinical indicators for diagnosing rare but fatal mechanical complications of MI.
  • To emphasize the importance of a high index of suspicion in managing these emergent conditions.

Main Methods:

  • This summary is based on established clinical knowledge and guidelines regarding myocardial infarction complications.
  • Focuses on clinical presentation and diagnostic red flags.

Main Results:

Keywords:
STEMImechanical complications

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  • Mechanical complications of MI, though rare, carry a significant risk of fatality.
  • Key indicators include acute heart failure, cardiogenic shock, new cardiac murmurs, and signs of hypoperfusion.

    • Conclusions:

    • A high index of suspicion is paramount for the early diagnosis of mechanical MI complications.
    • Clinicians should be vigilant for specific red flags, including acute heart failure and cardiogenic shock, to facilitate prompt management.