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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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Coronary Artery Disease III: Clinical Manifestations01:30

Coronary Artery Disease III: Clinical Manifestations

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Coronary Artery Disease (CAD) is a primary health risk worldwide, leading to significant morbidity and mortality. The condition arises from the buildup of atherosclerotic plaques within the coronary arteries, resulting in diminished blood supply to the heart muscle.The clinical manifestations of CAD vary widely, from asymptomatic stages to severe, life-threatening conditions. Understanding these manifestations is crucial for early diagnosis and effective management.Angina Pectoris: The Warning...
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Cardiopulmonary Resuscitation III: AED Use01:23

Cardiopulmonary Resuscitation III: AED Use

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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 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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Cardiomyopathy III: Hypertrophic Cardiomyopathy01:29

Cardiomyopathy III: Hypertrophic Cardiomyopathy

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Hypertrophic cardiomyopathy, or HCM, is an autosomal dominant genetic disorder characterized by asymmetric left ventricular hypertrophy without ventricular dilation. It is more common in men and is typically diagnosed in young, athletic adults.EtiologyHCM is primarily genetic and is caused by mutations in genes encoding sarcomeric proteins. Researchers have identified over 1400 mutations across at least 11 different genes. Among these, the most frequently occurring mutations are found in the...
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Disturbances in Heart Rhythm01:29

Disturbances in Heart Rhythm

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Arrhythmia or dysrhythmia refers to an abnormal heart rhythm caused by a defect in the heart's conduction system. It can cause the heart to beat irregularly, too quickly, or too slowly, leading to symptoms like chest pain, shortness of breath, and fainting. Factors such as stress, caffeine, alcohol, nicotine, cocaine, certain drugs, congenital defects, diseases, and electrolyte abnormalities can trigger arrhythmias.
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Implantation of Electroencephalogram and Electrocardiogram Telemetry Devices in Neonatal Rabbit Kits
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Sudden cardiac death.

Jagdesh Kandala1, Clint Oommen1, Karl B Kern1

  • 1Sarver Heart Center, University of Arizona, 1501 N. Campbell Avenue, Tucson, AZ 85724, USA.

British Medical Bulletin
|April 27, 2017
PubMed
Summary

Community programs and chest compression-only CPR improve survival from sudden cardiac arrest. Research is ongoing to determine the cost-effectiveness of early angiography for all post-arrest patients.

Keywords:
cardiac arrestchest compression-only CPRpost-arrest coronary angiographypublic access defibrillationrefractory out-of-hospital cardiac arrest

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Methods for ECG Evaluation of Indicators of Cardiac Risk, and Susceptibility to Aconitine-induced Arrhythmias in Rats Following Status Epilepticus
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Area of Science:

  • Cardiology
  • Emergency Medicine
  • Public Health

Background:

  • Sudden cardiac arrest (SCA) is a major cause of mortality globally.
  • Effective interventions are crucial for improving survival rates.
  • Current guidelines recommend specific post-arrest care protocols.

Purpose of the Study:

  • To review current evidence and identify areas of agreement and controversy in SCA management.
  • To highlight emerging trends and future research directions in SCA resuscitation and post-arrest care.

Main Methods:

  • Systematic review of original papers, reviews, and guidelines.
  • Analysis of data on community programs, cardiopulmonary resuscitation (CPR), and automated external defibrillation (AED).
  • Evaluation of post-arrest care strategies, including targeted temperature management (TTM) and early coronary angiography.

Main Results:

  • Community programs and lay rescuer CPR, particularly chest compression-only CPR, are effective in improving outcomes.
  • TTM combined with early coronary angiography and percutaneous coronary intervention benefits patients with ST-segment elevation myocardial infarction.
  • The optimal approach to encourage bystander CPR and the cost-effectiveness of early angiography for non-ST-elevation patients remain areas of controversy.

Conclusions:

  • Lay bystander CPR and community programs significantly improve survival rates.
  • Post-arrest care, including TTM and early angiography for STEMI patients, is beneficial.
  • Further research, including randomized trials, is needed to address current controversies in SCA management, especially regarding early angiography in non-STEMI patients.