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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 V: Nursing Management01:26

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Nursing Assessment:Nursing management of acute coronary syndrome (ACS) involves taking the patient's history, focusing on primary complaints such as chest pain, dyspnea, and excessive sweating (diaphoresis), as well as other symptoms like back or jaw pain, nausea, vomiting, palpitations, dizziness, and fatigue. The nurse also reviews the patient's history of cardiac events, risk factors such as hypertension, diabetes, smoking, family history, and current medications.In the objective assessment,...
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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 IV: Interprofessional Care01:28

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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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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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Boiling Point Elevation
The boiling point of a liquid is the temperature at which its vapor pressure is equal to ambient atmospheric pressure. Since the vapor pressure of a solution is lowered due to the presence of nonvolatile solutes, it stands to reason that the solution’s boiling point will subsequently be increased. Vapor pressure increases with temperature, and so a solution will require a higher temperature than will pure solvent to achieve any given vapor pressure, including one...
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[How it all started].

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The predictive value of different equations for estimation of glomerular filtration rate in patients with coronary artery disease - Results from the AtheroGene study.

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A Research Method For Detecting Transient Myocardial Ischemia In Patients With Suspected Acute Coronary Syndrome Using Continuous ST-segment Analysis
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[Acute coronary syndrome without ST-elevation (NSTE-ACS)].

H J Rupprecht1, Manfred Geeren2, Monika Geeren2

  • 12. Medizinische Klinik, Klinikum Rüsselsheim, August-Bebelstr. 59, 65428, Rüsselsheim, Deutschland. hj.rupprecht@gp-ruesselsheim.de.

Herz
|January 11, 2019
PubMed
Summary

For acute coronary syndrome without ST-elevation (NSTE-ACS), troponin testing rapidly identifies myocardial infarction (NSTEMI). Dual antiplatelet therapy (DAPT) duration varies by patient risk, typically 12 months.

Keywords:
Antithrombotic therapyCoronary arteriesPercutaneous coronary interventionRevascularizationTroponin

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Area of Science:

  • Cardiology
  • Emergency Medicine
  • Clinical Diagnostics

Background:

  • Acute coronary syndrome without ST-elevation (NSTE-ACS) requires timely risk stratification for optimal diagnosis and treatment.
  • Clinical symptoms, ECG findings, and troponin levels are critical for assessing NSTE-ACS patients.

Purpose of the Study:

  • To outline the diagnostic and treatment strategies for NSTE-ACS based on patient risk profiles.
  • To emphasize the role of high-sensitivity troponin assays in the rapid diagnosis of non-ST-segment elevation myocardial infarction (NSTEMI).

Main Methods:

  • Utilizing 0/3-hour or 0/1-hour algorithms with high-sensitivity troponin assays for rapid NSTEMI rule-in or rule-out.
  • Initiating dual antiplatelet therapy (DAPT) with aspirin and an ADP receptor antagonist in the acute phase.
  • Adjusting DAPT duration based on individual patient risk for bleeding or ischemia.

Main Results:

  • High-sensitivity troponin enables efficient diagnosis of NSTEMI, but troponin-negative results do not exclude unstable angina pectoris.
  • DAPT is recommended for 12 months post-acute phase, regardless of treatment strategy (PCI, bypass surgery, conservative).
  • DAPT duration can be shortened to 6 months for high bleeding risk or extended up to 36 months for high ischemic risk.

Conclusions:

  • Risk stratification is key in NSTE-ACS management, guiding invasive strategies and treatment duration.
  • Troponin testing is pivotal for diagnosing NSTEMI, while other clinical factors are essential for unstable angina.
  • Tailoring DAPT duration based on bleeding and ischemic risk optimizes patient outcomes in NSTE-ACS.