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Related Concept Videos

Introduction Cardiac Emergencies01:30

Introduction Cardiac Emergencies

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Cardiac emergencies are critical situations involving the heart that require immediate medical intervention to prevent severe complications or death. These emergencies often arise from underlying heart conditions that impair the heart's ability to function correctly.Types of Cardiac EmergenciesThe most common types of cardiac emergencies include Acute Coronary Syndrome (ACS), myocardial infarction (MI), cardiac arrest, and heart failure.Acute Coronary Syndrome (ACS)Acute Coronary Syndrome (ACS)...
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Pulmonary Embolism I: Introduction01:29

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Pulmonary embolism (PE) occurs when a thrombus, fat or air embolus, amniotic fluid, or tumor tissue blocks one or more pulmonary arteries. These blockages originate in the venous system or the right side of the heart.EtiologyPE primarily arises from deep vein thrombosis (DVT) and other hypercoagulable states, such as inherited thrombophilias. Additional etiological factors include venous stasis, commonly seen in obesity, and endothelial injury from surgery and trauma. Less common causes include...
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Heart Failure III: Clinical Manifestations01:26

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Heart failure (HF) manifests primarily as dyspnea, fatigue, and fluid retention, resulting in peripheral and pulmonary edema. Symptoms may vary depending on which ventricle is more affected, left or right.Left-Sided Heart FailureAlso known as left ventricular failure, this condition results from the left ventricle's inability to fill or eject sufficient blood into the systemic circulation. It leads to pulmonary congestion, which occurs when the left ventricle fails to eject blood effectively...
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Cardiopulmonary Resuscitation III: AED Use01:23

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Introduction to AEDAn Automated External Defibrillator (AED) is a portable medical device that analyzes the heart's rhythm and, if necessary, delivers an electrical shock to help the heart re-establish an effective rhythm during sudden cardiac arrest (SCA). SCA occurs when the heart suddenly and unexpectedly stops beating, leading to a loss of blood flow to the brain and other vital organs. In such emergencies, time is of the essence, and using an AED, combined with Cardiopulmonary...
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Acute Respiratory Failure-IV01:23

Acute Respiratory Failure-IV

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Respiratory failure can manifest suddenly or gradually, characterized by a rapid decline in PaO2 and a rapid rise in PaCO2. This situation indicates a severe respiratory problem that may quickly become a life-threatening emergency. One of the early signs of hypoxemic Acute Respiratory Failure (ARF) is a change in mental status due to the brain's sensitivity to oxygen levels and changes in acid-base balance. Symptoms such as restlessness, confusion, and agitation suggest inadequate oxygen...
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Measurement of Blood Pressure01:17

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Assessing blood pressure is a standard procedure executed in virtually all medical environments. The method utilized today was established over a hundred years ago by an innovative Russian doctor, Dr. Nikolai Korotkoff. The soft ticking noise, known as Korotkoff sounds, heard while taking blood pressure readings results from turbulent blood flow within the vessels. The apparatus required for this procedure includes a sphygmomanometer, a blood pressure cuff attached to a gauge, and a...
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Expired CO2 Measurement in Intubated or Spontaneously Breathing Patients from the Emergency Department
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Syncope in the Emergency Department.

Roopinder K Sandhu1, Robert S Sheldon2

  • 1Division of Cardiology, University of Alberta, Edmonton, AB, Canada.

Frontiers in Cardiovascular Medicine
|December 19, 2019
PubMed
Summary
This summary is machine-generated.

Syncope evaluations in emergency departments (EDs) require a structured approach. Initial history, physical exam, and ECG guide further testing and risk stratification to determine appropriate patient disposition and reduce adverse outcomes.

Keywords:
emergency department (ED)initial evaluationoutcomesrisk stratificationsyncope

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Area of Science:

  • Emergency Medicine
  • Cardiology
  • Clinical Diagnostics

Background:

  • Syncope is a frequent reason for emergency department (ED) visits, with significant variability in hospitalization rates.
  • Initial ED evaluation includes history, physical examination, and electrocardiogram (ECG).

Purpose of the Study:

  • To outline an evidence-based approach to syncope evaluation in the ED.
  • To emphasize the importance of risk stratification for prognosis and triage.
  • To guide decisions regarding further diagnostic testing and hospitalization.

Main Methods:

  • Review of current syncope evaluation protocols in emergency departments.
  • Focus on initial diagnostic steps: history, physical exam, and ECG.
  • Emphasis on risk stratification using clinical judgment and prediction tools.

Main Results:

  • Broad-based testing is discouraged; diagnostic work-up should stem from initial evaluation.
  • Risk stratification identifies high- and low-risk predictors for syncope.
  • Clinical judgment in ED physicians often outperforms prediction tools for syncope management.
  • ~0.8% of ED syncope patients die, and 10.3% experience severe outcomes within 30 days.

Conclusions:

  • A structured, risk-stratified approach to syncope in the ED is crucial.
  • Decisions for hospitalization should consider syncope cause, high-risk features, and comorbidities.
  • Intermediate-risk patients may benefit from syncope units or outpatient specialist assessment based on healthcare system structure.