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Related Concept Videos

Coronary Artery Disease II: Pathophysiology01:26

Coronary Artery Disease II: Pathophysiology

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...
Atherosclerosis I: Introduction01:30

Atherosclerosis I: Introduction

Atherosclerosis is a progressive disorder characterized by the buildup of plaques on the arterial inner wall, causing them to narrow and harden over time. These plaques comprise lipids, calcium, blood components, carbohydrates, and fibrous tissue. The process primarily affects the intima of large and medium-sized arteries, reducing blood flow in any artery.Etiology and risk factorsThe cause of atherosclerosis is multifactorial, involving a complex interplay among endothelial injury, lipid...
Coronary Artery Disease IV: Preventive Measures01:26

Coronary Artery Disease IV: Preventive Measures

Effective preventive measures for coronary artery disease (CAD) focus on controlling modifiable risk factors, including cholesterol abnormalities and lifestyle changes.Cholesterol ManagementFirst, the Mediterranean diet and the American Heart Association advocate for maintaining low-density lipoprotein (LDL) cholesterol levels below 100 mg/dL, with a more stringent recommendation of below 70 mg/dL for individuals at high risk. LDL cholesterol, often termed "bad cholesterol," can lead to the...
Atherosclerosis IV: Nursing Management01:23

Atherosclerosis IV: Nursing Management

Nursing management for a patient with arteriosclerosis involves a comprehensive approach focusing on lifestyle modification, disease monitoring, education, and symptomatic care. Here is an overview of effective nursing strategies:Assessment and Monitoring: Initial and ongoing assessments are crucial. Nurses must document the patient's medical history, including any hypertension, diabetes, hyperlipidemia, and other cardiovascular diseases. Assessments also cover family history and lifestyle...
Transmission-based Precautions II: Airborne and Protective Environment01:25

Transmission-based Precautions II: Airborne and Protective Environment

Transmission-based precautions are for patients infected or suspected to be infected (or colonized) with organisms posing a significant risk to others. The transmission precautions include airborne and protective environment precautions.
Airborne precautions:
Use airborne precautions when treating patients known or suspected to have diseases that spread through the air—for example, tuberculosis or measles. These organisms are present in smaller droplets expelled by an infected person and...
Ischemic Heart Disease: Overview01:17

Ischemic Heart Disease: Overview

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.
Atherosclerosis, the primary malefactor, orchestrates this dangerous condition. It manifests as the accumulation of fatty deposits, akin to insidious plaques, within arterial walls. As time elapses, these plaques metamorphose, hardening and narrowing...

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Related Experiment Video

Updated: Jun 2, 2026

A Human Ex Vivo Atherosclerotic Plaque Model to Study Lesion Biology
05:51

A Human Ex Vivo Atherosclerotic Plaque Model to Study Lesion Biology

Published on: May 6, 2014

[From vulnerable plaque to vulnerable patient].

Giulia Magnani1, Maria Antonietta Demola, Cristian Fava

  • 1U.O. di Cardiologia, Azienda Ospedaliero-Universitaria di Parma Ospedale Maggiore, Parma.

Giornale Italiano Di Cardiologia (2006)
|April 16, 2011
PubMed
Summary

Atherosclerotic plaque instability drives acute coronary syndromes. This review explores mechanisms of plaque and patient vulnerability contributing to these dangerous events.

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Area of Science:

  • Cardiovascular Medicine
  • Pathophysiology
  • Atherosclerosis Research

Context:

  • Acute coronary syndromes (ACS), including unstable angina and myocardial infarction, stem from atherosclerotic plaque instability.
  • Plaque destabilization involves complex mechanisms like embolization, vasoconstriction, and spontaneous repair, with rupture leading to thrombosis in fewer cases.
  • Understanding why some plaques cause clinical events while others remain asymptomatic is crucial for ACS prevention.

Purpose:

  • To analyze the intricate mechanisms underlying atherosclerotic plaque vulnerability.
  • To investigate factors contributing to patient hypercoagulable states and ACS risk.
  • To synthesize current knowledge on plaque destabilization and its clinical implications.

Summary:

  • Atherosclerotic plaque instability is a key factor in acute coronary syndromes.
  • Mechanisms of plaque destabilization include embolization, vasoconstriction, and rupture, with thrombosis occurring in a subset of cases.
  • Two hypotheses address plaque vulnerability: distinct plaque types versus patient-specific hypercoagulable states.

Impact:

  • Informs strategies for identifying and managing vulnerable atherosclerotic plaques.
  • Enhances understanding of ACS pathogenesis, potentially leading to novel therapeutic targets.
  • Aids in stratifying patient risk for acute coronary syndromes based on plaque and systemic factors.