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Related Concept Videos

Coronary Artery Disease I: Introduction01:30

Coronary Artery Disease I: Introduction

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Coronary Artery Disease (CAD): An Overview with Scientific InsightsCoronary Artery Disease (CAD), often referred to as C-A-D, is a prevalent blood vessel disorder classified under the broader category of atherosclerosis. Atherosclerosis is a pathological process characterized by the hardening and narrowing of arteries due to the accumulation of atherosclerotic plaques. These plaques are composed of cholesterol, fatty substances, inflammatory cells, calcium, and fibrin, reducing blood flow to...
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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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Coronary Artery Disease II: Pathophysiology01:26

Coronary Artery Disease II: Pathophysiology

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Coronary Artery Disease (CAD) originates from a series of events that impair the function of coronary arteries, the blood vessels responsible for delivering oxygen-rich blood to the heart muscle. The pathophysiology of CAD is closely linked to atherosclerosis, a chronic inflammatory and lipid-driven condition affecting the vascular endothelium.1. Endothelial DamageThe process begins with damage to the vascular endothelium, which serves as a protective barrier between the blood and the vessel...
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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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Coronary Artery Disease V: Interprofessional Care01:27

Coronary Artery Disease V: Interprofessional Care

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Interprofessional care for coronary artery disease includes pharmacological therapy and revascularization procedures.Pharmacological therapy for Coronary Artery Disease (CAD) aims to manage symptoms, prevent complications, and improve patient outcomes through various classes of medications:Antiplatelet Agents:Aspirin and Clopidogrel: These medications inhibit platelet aggregation, preventing blood clots, which is crucial for avoiding heart attacks and strokes. Doctors often prescribe these...
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Ischemic Heart Disease: Overview01:17

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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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Ultrasound Based Assessment of Coronary Artery Flow and Coronary Flow Reserve Using the Pressure Overload Model in Mice
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Sex differences in non-obstructive coronary artery disease.

Nida Waheed1, Suzette Elias-Smale2, Waddah Malas3

  • 1Department of Medicine, University of Florida, Gainesville, FL, USA.

Cardiovascular Research
|January 21, 2020
PubMed
Summary

Coronary microvascular dysfunction (CMD) causes angina in women and men, particularly those without obstructive coronary artery disease. This review highlights sex differences in CMD presentation, risk factors, diagnosis, and prognosis.

Keywords:
AnginaWomenCoronary microvascular dysfunction

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Area of Science:

  • Cardiology
  • Vascular Biology
  • Sex Differences in Medicine

Background:

  • Ischemic heart disease is a major cause of death globally.
  • Women with suspected myocardial ischemia often lack obstructive coronary artery disease (CAD).
  • Coronary vasomotor disorders and coronary microvascular dysfunction (CMD) are increasingly implicated in angina and adverse outcomes in non-obstructive CAD.

Purpose of the Study:

  • To review sex differences in the presentation, pathophysiology, diagnostic approaches, and prognosis of coronary microvascular dysfunction (CMD).
  • To emphasize the underdiagnosis of CMD despite its association with adverse cardiac events.

Main Methods:

  • Literature review focusing on sex differences in CMD.
  • Discussion of diagnostic modalities including coronary reactivity testing and non-invasive imaging.
  • Analysis of pathophysiologic risk factors unique to women.

Main Results:

  • Women with suspected ischemia are more likely to have non-obstructive CAD.
  • CMD, stemming from microvascular abnormalities, contributes to cardiac events and mortality in both sexes.
  • Unique female factors like inflammation, stress, and hormonal imbalances may increase susceptibility to endothelial dysfunction and CMD.

Conclusions:

  • CMD is a significant contributor to ischemic symptoms, especially in women with non-obstructive CAD.
  • Early detection and targeted management of CMD are crucial for improving outcomes.
  • Further research into sex-specific mechanisms and treatments for CMD is warranted.