Epistemis

Cardiovascular Emergencies: Cardiac Arrhythmias

Emergency · Clinical Specialties

How it begins

Understanding the origin, spread, and disruption of cardiac arrhythmias in the emergency department requires rigorous analysis of myocardial cellular physiology. The myocardium is made up of two types of functionally different cell populations: rapid response cells (atrial and ventricular working myocardium, as well as the Purkinje system) and response cells...

What it covers

  1. The Rapid Response Action Potential
  2. The Slow Response Action Potential (Sinus Node and NAV)
  3. 1. Impulse Formation Disorders
  4. · A. Altered Automaticity
  5. · B. Triggered activity
  6. 2. Impulse Conduction Disorders (Reentry)
  7. The Four Classic Pillars of Hemodynamic Instability
  8. Use of Bedside Ultrasound (POCUS - Point-of-Care Ultrasound)
  9. Etiology and Pathophysiology
  10. Specific Electrocardiographic Manifestations
  11. Electrophysiological and Clinical Anatomy Classification
  12. · 1. First Degree AV Block
  13. · 2. Second Degree AV Block
  14. · 3. Third Degree AV Block (Complete)
  15. 1. Transcutaneous Cardiac Stimulation (External Pacemaker)
  16. · A. Technical Procedure and Adjustments
  17. · B. Mandatory Verification of Electromechanical Coupling
  18. 2. Transvenous Cardiac Stimulation (Temporary Pacemaker)
  19. Atrial Physiopathology and Remodeling
  20. The Clinical Approach in Emergencies: Frequency Control vs. Rhythm Control
  21. Stratification of Thromboembolic Risk and Bleeding
  22. Atrial Flutter
  23. 1. Intranodal Reentry Tachycardia (INRT)
  24. 2. Atrioventricular Reentry Tachycardia (AVRT)
  25. Pre-excited Atrial Fibrillation (Pre-excited AF or "FBI" Tachycardia)
  26. 1. Sustained Monomorphic Ventricular Tachycardia
  27. 2. Polymorphic Ventricular Tachycardia (Torsades de Pointes)
  28. · Specific Management of Torsades de Pointes
  29. 1. The Brugada Algorithm
  30. 2. The Vereckei Algorithm (Exclusive use of the aVR lead)
  31. 1. Brugada syndrome
  32. 2. Long QT Syndromes (LQTS)
  33. 1. Acute Coronary Syndrome (ACS)
  34. 2. Digital poisoning
  35. 3. Hydroelectrolyte disorders
  36. The Vaughan-Williams Classification (Modified)
  37. Detailed Analysis of Critical Drugs
  38. · 1. Amiodarone (Class III with effects I, II and IV)
  39. · 2. Adenosine
  40. 1. Synchronized Electrical Cardioversion
  41. 2. Defibrillation (Asynchronous Shock)
  42. 1. Integrated Algorithm for the Management of Bradycardia
  43. · Pharmacological Details of the Algorithm
  44. 2. Integrated Algorithm for the Management of Pulse Tachycardia
  45. · A. Wide QRS (≥ 120 ms) Regular and Stable
  46. · B. Narrow QRS ( 120 ms), Regular and Stable (suspected PSVT)
  47. Conclusions and Integrative Message for the Emergency Professional

The complete study guide is in the app

This page summarizes the outline. The full interactive study guide —with high-yield diagrams, clinical tables, and board review cases— can be read inside Epistemis, completely offline and ad-free.

Subject
Emergency
Category
Clinical Specialties
Type
Study Guide
Sections
47
Reviewed
2026-08-02
Download Epistemis