29 results
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
Atrial Tachycardia ... • Atrial Flutter ... • Atrial Fibrillation ... AV Reentry Tachycardia ... Pathophysiology #SVT #diagnosis
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Atrial Contractions ... (PACs), Atrial ... (PST), Focal Atrial ... ), Multifocal Atrial ... #Causes #cardiology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... • Atrial flutter ... AV reentrant tachycardia ... • Atrial tachycardia ... Atrial flutter
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
- Differential Diagnosis ... Tachycardia, Atrial ... fibrillation, Atrial ... , Atrial fibrillation ... with variable AV
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Atrial fibrillation ... Multifocal Atrial ... Atrial flutter ... (Ectopic) Atrial ... #causes #cardiology
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Arrhythmias • Atrial ... ventricular response • Atrial ... Escape Rhythm • Atrial ... 2:1 AV Block • ... #Arrhythmias #diagnosis
Atrial Fibrillation - Diagnosis, Causes, Presentations
Causes (PIRATES):
 - Pulmonary embolism 
 - Ischemia (cardiac) 
 -
Atrial Fibrillation ... - Diagnosis, Causes ... Repiratory disease - Atrial ... Rezapour @prezapour #Atrial ... AFib #Diagnosis
Comparison of Multifocal Atrial Tachycardia, Atrial Fibrillation and Atrial Flutter
Multifocal Atrial Tachycardia - Atrial Rate >
Tachycardia, Atrial ... Fibrillation and ... Tachycardia - Atrial ... AtrialTachycardia #AFib ... AFlutter #Comparison #Diagnosis
Non-lschemic Causes of Cardiogenic Shock:

Beta-Blockers, Calcium Channel Blockers, Digoxin 

Myocarditis 

Cardiomyopathies (sarcoidosis, amyloidosis, Takatsubo, 
hemochromatosis) 

Valvular
Non-lschemic Causes ... Supraventricular/Atrial ... Ventricular Fibrillation ... AV nodal dysfunction ... #Differential #Diagnosis
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
(2) Atrial ... (3) SVTs - atrial ... (3) Multifocal atrial ... 200ms from longer pause ... bradyarrhythmia #ECG #EKG #diagnosis