66 results
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Differential Diagnosis Algorithm ... Irregular: • Atrial fibrillation ... fibrillation ... #Causes #cardiology
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
• Ventricles: Ventricular ... (AFL), Atrial Fibrillation ... Fibrillation (V-Fib ... Differential #Diagnosis #Causes ... #cardiology
Non-lschemic Causes of Cardiogenic Shock:

Beta-Blockers, Calcium Channel Blockers, Digoxin 

Myocarditis 

Cardiomyopathies (sarcoidosis, amyloidosis, Takatsubo, 
hemochromatosis) 

Valvular
Non-lschemic Causes ... , Ventricular Tachycardia ... , Ventricular ... Fibrillation ... Differential #Diagnosis #Cardiology
Ventricular Fibrillation on Echocardiogram (A4C)
Rare glimpse of echocardiogram just at the onset of VF, no organized
Ventricular Fibrillation ... Echocardiogram (A4C ... #Fibrillation # ... clinical #cardiology ... Echocardiogram #A4C
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... Atrial fibrillation ... Sinus tachycardia ... differential #diagnosis #causes ... #cardiology
Causes of Palpitations
 • ARRHYTHMiA 
 • SINUS ARRYTHMIA 
 • ATRIAL FIBRILLATION 
 • ATRIAL
Causes of Palpitations ... ARRYTHMIA • ATRIAL FIBRILLATION ... • PREMATURE VENTRICULAR ... • VENTRICULAR ... Differential #Diagnosis #Cardiology
Ventricular Fibrillation
• Completely disorganized 
• Immediate cessation of cardiac output, no associated pulse 
• No discernible
Ventricular Fibrillation ... with Life #Ventricular ... #Fibrillation # ... VFib #Diagnosis #Cardiology ... #Tachycardia
Classic Digoxin-Associated Arrhythmias
 • Atrial fibrillation with an unusually slow ventricular response
 • Atrial Fibrillation with
Arrhythmias • Atrial fibrillation ... unusually slow ventricular ... Bidirectional Ventricular ... Tachycardia - ... Arrhythmias #diagnosis #cardiology
It starts as sinus rhythm with probable inferior STEMI, but becomes ventricular fibrillation (or polymorphic ventricular
STEMI, but becomes ventricular ... fibrillation (or ... polymorphic ventricular ... tachycardia) halfway ... #Clinical #EM #Cardiology
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
Rhythm: Atrial fibrillation ... Regular Rhythm: Ventricular ... Rhythm: Polymorphic ventricular ... fibrillation with ... Differential #Diagnosis #cardiology