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Related Concept Videos

Myocarditis I: Introduction01:21

Myocarditis I: Introduction

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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...
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Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations01:19

Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations

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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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Acute Coronary Syndrome III: Diagnostic Studies01:30

Acute Coronary Syndrome III: Diagnostic Studies

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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...
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Myocarditis III: Medical Management01:14

Myocarditis III: Medical Management

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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...
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Blood Studies for Cardiovascular System I: Cardiac Biomarkers01:20

Blood Studies for Cardiovascular System I: Cardiac Biomarkers

200
Cardiac biomarkers are enzymes, proteins, and hormones released into the blood when cardiac cells are injured. They are powerful tools for triaging.
The essential diagnostic tools for detecting myocardial necrosis and monitoring individuals suspected of having acute coronary syndrome (ACS) include:
Troponins
Troponins, particularly cardiac troponins I and T, are the most precise and sensitive markers of myocardial injury. They are detectable within 4-6 hours of myocardial injury and remain...
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Acute Coronary Syndrome I: Introduction01:30

Acute Coronary Syndrome I: Introduction

30
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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The Relationship Between Residential Mobility and Mortality Following Acute Myocardial Infarction.

David A Alter1, Aaron Rosenfeld2, Jiming Fang3

  • 1ICES, Toronto, Ontario, Canada; KITE Resarch Institute, Health Network, Toronto, Ontario, Canada; Institute of Health Policy, Management and Evaluation (IHPME), University of Toronto, Toronto, Ontario, Canada.

The Canadian Journal of Cardiology
|September 19, 2023
PubMed
Summary

Moving after a heart attack increases mortality risk. Residential mobility is linked to a higher likelihood of death and long-term care placement for acute myocardial infarction survivors.

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Area of Science:

  • Cardiology
  • Public Health
  • Gerontology

Background:

  • The health implications of residential mobility for acute myocardial infarction (AMI) survivors are not well understood.
  • Investigating the link between moving homes and health outcomes in specific patient populations is crucial for targeted interventions.

Purpose of the Study:

  • To examine the association between residential mobility and mortality among patients following an acute myocardial infarction (AMI).
  • To determine if residential moves impact end-of-life outcomes, including institutionalization, in AMI survivors.

Main Methods:

  • A prospective cohort study of 3377 patients from Ontario, Canada, followed from their index AMI event until death or March 2020.
  • Time-varying Cox proportional hazards models were used to assess the impact of residential postal code changes on mortality and long-term care placement.
  • Models adjusted for demographic, socioeconomic, psychosocial, and clinical factors, treating death and institutionalization as competing risks.

Main Results:

  • Over half of the 3369 patients studied experienced at least one residential move.
  • Each residential move was associated with a 12% increased mortality rate (aHR 1.12) and a 26% increased rate of long-term care institutionalization (aHR 1.26) after adjusting for covariates.
  • The majority of patients (86.5%) either died in the community or moved to long-term care facilities.

Conclusions:

  • Residential mobility is significantly associated with increased mortality and end-of-life institutionalization among acute myocardial infarction survivors.
  • Further research is warranted to elucidate the underlying causal mechanisms linking residential changes to adverse health outcomes in this population.