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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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Acute Coronary Syndrome I: Introduction01:30

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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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Ischemic heart disease occurs when the heart's blood supply dwindles, causing an ominous lack of oxygen and nutrients. This deficiency, stemming from reduced or obstructed blood flow, spells danger, leading to heart muscle damage and dysfunction.
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Acute Coronary Syndrome II: Pathophysiology and Clinical Manifestations01:19

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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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Coronary Artery Disease III: Clinical Manifestations01:30

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Coronary Artery Disease (CAD) is a primary health risk worldwide, leading to significant morbidity and mortality. The condition arises from the buildup of atherosclerotic plaques within the coronary arteries, resulting in diminished blood supply to the heart muscle.The clinical manifestations of CAD vary widely, from asymptomatic stages to severe, life-threatening conditions. Understanding these manifestations is crucial for early diagnosis and effective management.Angina Pectoris: The Warning...
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Related Experiment Video

Updated: May 7, 2026

A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis
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Sex Differences Among Young Patients With ST-Segment-Elevation Myocardial Infarction: A Systematic Review and

Giordano Maria Pugliesi1,2, Paul Onyeji3, Giuseppe Verolino4

  • 1University of Milano-Bicocca Milan Italy.

Journal of the American Heart Association
|May 6, 2026
PubMed
Summary

Young women experiencing ST-segment-elevation myocardial infarction face higher mortality rates despite having less severe coronary artery disease. This highlights a critical need for further research into sex-based disparities in heart attack outcomes.

Keywords:
ST‐segment–elevation myocardial infarctionangiographydeathsex differencesyoung patients

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Area of Science:

  • Cardiology
  • Public Health
  • Sex Differences in Medicine

Background:

  • Female sex is linked to lower myocardial infarction incidence, particularly in younger individuals.
  • Sex-based disparities in mortality and coronary artery disease (CAD) patterns among young ST-segment-elevation myocardial infarction (STEMI) patients remain unclear.

Purpose of the Study:

  • To evaluate sex differences in in-hospital and 1-year all-cause mortality.
  • To assess sex differences in the extent of coronary artery disease (CAD) in young STEMI patients (≤45 years).

Main Methods:

  • Systematic review of studies comparing sexes in STEMI patients, published after 2010.
  • Random-effects meta-analysis of 11 studies including over 738,000 patients (22% women).
  • Outcomes assessed included in-hospital and 1-year mortality, and extent of CAD.

Main Results:

  • Female sex was associated with higher unadjusted in-hospital (RR, 1.56) and 1-year mortality (RR, 1.78).
  • Women more frequently presented with single-vessel disease (73% vs. 60%).
  • Men more frequently had multi-vessel disease (2-vessel: 23% vs. 18%; 3-vessel: 16% vs. 9%).

Conclusions:

  • Young women with STEMI experience higher unadjusted mortality despite less extensive CAD.
  • Further research is required to adjust for comorbidities and standardize CAD definitions to clarify these sex differences.