125 results
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
Supraventricular Tachycardias ... Ventricle • Sinus ... Tachycardia • ... Atrial Tachycardia ... Nodal Reentry Tachycardia
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... Narrow Complex Tachycardia ... Multifocal Atrial Tachycardia ... Narrow Complex Tachycardia ... Sinus tachycardia
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
DANGER (2) Sinus ... tachycardia ... Multifocal atrial tachycardia ... Wong @mchlwng #Tachycardia ... EKG #diagnosis #electrocardiogram
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Arrhythmias • SA node: Sinus ... bradycardia, Sick Sinus ... ) • SA node: Sinus ... tachycardia • ... , Focal Atrial Tachycardia
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
Regular Rhythm: Sinus ... tachycardia, AVNRT ... w/ variable AV block ... bundle branch block ... bundle branch block
Hallmark ECG features of Ventricular Tachycardia (VT)
AV indicates atrioventricular; LAD, left axis deviation; LBBB, left bundle
of Ventricular Tachycardia ... bundle branch block ... bundle branch block ... #Ventricular #Tachycardia ... VTach #ECG #EKG #Electrocardiogram
Sinus pause/arrest vs Sinoatrial Block

#cardiology #diagnosis #ekg #ecg #electrocardiogram #sinuspause #sinoatrialblock
Sinus pause/arrest ... vs Sinoatrial Block ... diagnosis #ekg #ecg #electrocardiogram
Pericardial Effusion on EKG
 • Electrical alternans
 • Low voltage
 • Sinus tachycardia (suggests possibility of
Low voltage • Sinus ... tachycardia (suggests ... Effusion #EKG #ECG #electrocardiogram
Sinus Tachycardia Differential Algorithm

- Dr. Tom Fadial https://twitter.com/thame

#Sinus #Tachycardia #Differential #Algorithm #Diagnosis #Cardiology #Causes
Sinus Tachycardia ... twitter.com/thame #Sinus ... #Tachycardia #Differential
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Tachycardia - Differential ... Narrow-Complex: • Regular: Sinus ... Tachycardia, Atrial ... Tachycardia, Atrial ... Flutter (w/ variable block