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Related Concept Videos

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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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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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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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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Factors Affecting the Risk of Infection01:26

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The hosts' susceptibility to infection depends on several factors. The integrity of the skin and mucous membranes helps protect the body against microbial attacks. When the skin is altered, the chance of infection, limb loss, and even death increases.
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Regulation of Stroke Volume01:27

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The regulation of stroke volume, which is the amount of blood the heart pumps out during each heartbeat, is critical for maintaining a healthy circulatory system. Stroke volume is influenced by three main factors: preload, contractility, and afterload.
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Updated: Dec 17, 2025

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COVID-19 Is an Independent Risk Factor for Acute Ischemic Stroke.

P Belani1, J Schefflein2, S Kihira2

  • 1From the Departments of Diagnostic, Molecular and Interventional Radiology (P.B., J.S., S.K., B.R., B.N.D., K.M., J.Y., A.A., D.L., A.H.D.) puneet.belani@mountsinai.org.

AJNR. American Journal of Neuroradiology
|June 27, 2020
PubMed
Summary
This summary is machine-generated.

COVID-19 infection is significantly linked to acute ischemic stroke. Patients with COVID-19 require heightened stroke monitoring due to this association.

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Area of Science:

  • Neurology
  • Infectious Diseases
  • Public Health

Background:

  • Coronavirus disease 2019 (COVID-19) is a global pandemic with varied complications.
  • The association between COVID-19 and stroke presentation is not well-established.
  • Understanding COVID-19's neurological impact is crucial for patient management.

Purpose of the Study:

  • To investigate the potential link between COVID-19 infection and acute stroke.
  • To determine if COVID-19 is an independent risk factor for acute ischemic stroke.

Main Methods:

  • A retrospective case-control study was conducted.
  • 41 patients with acute ischemic stroke (cases) and 82 controls were analyzed.
  • Data on COVID-19 status, demographics, and risk factors were collected and analyzed.

Main Results:

  • 46.3% of acute ischemic stroke patients had COVID-19, compared to 18.3% of controls (P=.001).
  • COVID-19 infection showed a significant independent association with acute ischemic stroke (OR, 3.9; P=.001).
  • The association remained significant after adjusting for age, sex, and traditional risk factors.

Conclusions:

  • COVID-19 infection is significantly associated with imaging-confirmed acute ischemic stroke.
  • Patients diagnosed with COVID-19 warrant more vigilant monitoring for stroke development.
  • Further research is needed to elucidate the mechanisms underlying this association.