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Related Concept Videos

Acute Coronary Syndrome I: Introduction01:30

Acute Coronary Syndrome I: Introduction

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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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Acute Coronary Syndrome IV: Interprofessional Care01:28

Acute Coronary Syndrome IV: Interprofessional Care

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IntroductionThe management of Acute Coronary Syndrome (ACS) aims to minimize myocardial damage, preserve myocardial function, and prevent complications.Initial ManagementInpatient management involves continuous cardiac monitoring, preferably in an ICU, focusing on blood pressure, serum sodium, potassium, and creatinine levels, and urine output. Ongoing pharmacologic management is crucial for stabilizing the patient.Supplemental Oxygen: Administer supplemental oxygen if oxygen saturation is...
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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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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 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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Myocarditis IV: Nursing Management01:22

Myocarditis IV: Nursing Management

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Myocarditis is an inflammatory condition of the myocardium requiring meticulous nursing management for optimal patient outcomes. Effective management begins with a thorough assessment of the patient's medical history, paying close attention to past infections, autoimmune disorders, travel history, and exposure to toxins or drugs. Recent viral infections and systemic diseases are particularly relevant due to their potential role in triggering myocarditis.Physical Examination and MonitoringThe...
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Related Experiment Video

Updated: Aug 23, 2025

Left Anterior Descending Coronary Artery Ligation for Ischemia-Reperfusion Research: Model Improvement via Technical Modifications and Quality Control
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Treatment Time and In-Hospital Mortality Among Patients With ST-Segment Elevation Myocardial Infarction, 2018-2021.

James G Jollis1,2, Christopher B Granger2, Jessica K Zègre-Hemsey3

  • 1Lindner Center for Research and Education, Cincinnati, Ohio.

JAMA
|November 6, 2022
PubMed
Summary
This summary is machine-generated.

Timely treatment for ST-elevation myocardial infarction (STEMI) significantly reduces in-hospital mortality. However, most hospitals did not meet treatment time goals between 2018 and 2021, particularly for inter-hospital transfers.

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Optimized Management of Endovascular Treatment for Acute Ischemic Stroke
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Area of Science:

  • Cardiology
  • Public Health

Background:

  • US national guidelines recommend time-sensitive treatment for ST-segment elevation myocardial infarction (STEMI) to minimize myocardial injury.
  • Adherence to these treatment-time goals is crucial for improving patient outcomes.

Purpose of the Study:

  • To evaluate process measures and outcomes for STEMI patients within a national registry.
  • To assess adherence to recommended treatment times and their association with in-hospital mortality.

Main Methods:

  • A cross-sectional study analyzed data from 114,871 STEMI patients from the Get With The Guidelines-Coronary Artery Disease registry (Q2 2018-Q3 2021).
  • Key metrics included treatment times, in-hospital mortality, and adherence to system goals (e.g., PCI within 90 or 120 minutes).

Main Results:

  • Median time to percutaneous coronary intervention (PCI) varied by presentation mode, with longer delays for transferred patients.
  • Adjusted in-hospital mortality was significantly lower for patients treated within target times across all presentation modes.
  • System goals were not met in most quarters, with only 17% of transferred patients treated within 120 minutes.

Conclusions:

  • Timely STEMI treatment is associated with reduced in-hospital mortality.
  • Despite established guidelines, adherence to treatment-time goals remains suboptimal, especially for inter-hospital transfers.
  • Further improvements in system performance are needed to consistently meet STEMI treatment targets.