Related Experiment Video

Updated: Sep 6, 2025

Myocardial Infarction and Functional Outcome Assessment in Pigs
12:03

Myocardial Infarction and Functional Outcome Assessment in Pigs

Published on: April 25, 2014

28.1K

[Diagnostic, therapeutic and prognostic aspects of type 2 myocardial infarction]

Andrea Santucci1, Claudio Cavallini1

  • 1S.C. Cardiologia, Ospedale S. Maria della Misericordia, Perugia.

Giornale Italiano Di Cardiologia (2006)
|June 30, 2022
PubMed

Insights

Type 2 myocardial infarction, caused by oxygen imbalance, affects 25% of heart attack patients. These older patients with more comorbidities face severe prognoses and poorly defined treatments.

Area of Science:

  • Cardiology
  • Internal Medicine
  • Pathophysiology

Background:

  • Type 2 myocardial infarction (T2MI) results from cardiomyocyte ischemia due to oxygen supply-demand imbalance.
  • Commonly triggered by surgery, sepsis, arrhythmias, or hypo/hypertension.
  • T2MI accounts for approximately 25% of all myocardial infarctions, affecting older patients with higher comorbidity burdens compared to Type 1 MI.

Purpose of the Study:

  • To summarize the current understanding of Type 2 myocardial infarction.
  • To highlight the clinical characteristics, diagnostic considerations, and prognostic implications of T2MI.
  • To discuss the challenges in treatment and the need for further research.

Main Methods:

  • Review of existing literature and clinical data on Type 2 myocardial infarction.
  • Analysis of etiological factors, patient demographics, and clinical outcomes.
  • Evaluation of diagnostic modalities and therapeutic strategies.

Main Results:

  • T2MI is frequently associated with significant comorbidities and advanced age.
  • Coronary angiography is not always required but aids in differentiating T2MI from acute coronary syndromes.
  • Patients with T2MI exhibit a severe prognosis with high cardiovascular and non-cardiovascular mortality.

Conclusions:

  • Treatment for T2MI remains poorly defined, focusing on managing precipitating events and underlying coronary artery disease.
  • The benefit of revascularization in T2MI is uncertain.
  • Further research is crucial to elucidate the complexities of T2MI and improve patient outcomes.

More Related Videos

Histological Quantification of Chronic Myocardial Infarct in Rats09:45

Histological Quantification of Chronic Myocardial Infarct in Rats

Published on: December 11, 2016

14.8K
Minimal Invasive Surgical Procedure of Inducing Myocardial Infarction in Mice09:05

Minimal Invasive Surgical Procedure of Inducing Myocardial Infarction in Mice

Published on: May 4, 2015

28.0K

Related Concept Videos

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...
20
Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

Diagnosing acute coronary syndrome or ACS begins with a thorough patient history. Notable symptoms include central, crushing chest pain radiating to the left arm, neck, jaw, or back, along with shortness of breath, sweating (diaphoresis), nausea, vomiting, dizziness, and palpitations.It is crucial to note any history of cardiac illnesses and assess risk factors, including age, gender, smoking, hypertension, diabetes, hyperlipidemia, and a sedentary lifestyle.During physical examination, vital...
21
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...
43
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...
71
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...
28
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...
15