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Dysrhythmias, also known as arrhythmias, are irregular heart rhythms that result from abnormal electrical activity in the heart, affecting its ability to circulate blood efficiently. Tachyarrhythmias, a subset of dysrhythmias, are characterized by abnormally fast heart rates exceeding 100 beats per minute. Here are some types of tachyarrhythmias with their distinct ECG features:Sinus Tachycardia:Sinus tachycardia presents a regular heart rhythm with an increased rate of 101-180 beats per...
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Tachyarrhythmias are a type of dysrhythmia where the heart rate exceeds 100 beats per minute. Here are some common types of tachyarrhythmias:Sinus TachycardiaSinus tachycardia originates from increased impulses from the sinus node, leading to an elevated heart rate. It is often triggered by stress, fever, or exercise.Patients may experience palpitations, a sensation of a racing heart, dizziness, and chest discomfort.Causes and Risk Factors: Common causes include physical exertion, emotional...
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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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Dysrhythmia management involves a multifaceted approach, incorporating pharmacological treatments, medical procedures, surgical interventions, lifestyle modifications, and patient education.Pharmacological ManagementAntiarrhythmic Drugs:Class I (Sodium Channel Blockers): This class includes quinidine and procainamide, which reduce the speed of impulse conduction in the heart, stabilize the cardiac membrane, and control arrhythmias. Quinidine and procainamide are Class IA agents that prolong the...
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Recent Onset Atrial Fibrillation: What's in a Name.

Joe Anthony Rotella1,2,3, Diana Egerton-Warbuton4,5, Lisa Kuhn6,7

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Emergency Medicine Australasia : EMA
|May 6, 2026
PubMed
Summary

Emergency departments need clear terms for atrial fibrillation (AF). This study suggests using "acute recent-onset AF" and a new taxonomy for better diagnosis and treatment of this common heart rhythm disorder.

Keywords:
anticoagulationatrial fibrillationcardiovascular emergenciescardioversionemergency departmentemergency medicine

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Area of Science:

  • Cardiology
  • Emergency Medicine
  • Medical Terminology

Background:

  • Atrial fibrillation (AF) is a frequent cardiac dysrhythmia in Emergency Departments (EDs).
  • Current terminology for 'recent-onset AF' is inconsistently defined across guidelines and protocols.
  • A standardized approach is crucial for clinicians, researchers, and patients managing acute AF presentations.

Purpose of the Study:

  • To address inconsistencies in terminology for acute atrial fibrillation.
  • To advocate for the adoption of the term 'acute recent-onset AF'.
  • To propose a novel three-part taxonomy for classifying AF presentations in the ED.

Main Methods:

  • Literature review and analysis of current AF terminology and guidelines.
  • Evidence-based discussion supporting the proposed terminology.
  • Development of a proposed three-part taxonomy for acute AF.

Main Results:

  • Identified significant inconsistencies in the definition and use of 'recent-onset AF' terminology.
  • Presented evidence supporting 'acute recent-onset AF' as a clearer descriptor.
  • Introduced a three-part taxonomy to categorize AF presentations in the ED.

Conclusions:

  • Standardized terminology, specifically 'acute recent-onset AF', is essential for clarity in emergency care.
  • The proposed taxonomy will aid in better understanding and managing acute AF presentations.
  • Clearer definitions and classifications will improve patient care and research in AF.