33 results
Supraventricular Tachycardias - Pathophysiology
Conduction pathways through SA Node, Atrium, AV Node, Bundle of His, and Ventricle
Atrial Tachycardia ... • Atrial Flutter ... AV Reentry Tachycardia ... #SVT #diagnosis ... #cardiology #conduction
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... Atrial flutter ... retrograde) - AVNRT, AVRT ... differential #diagnosis ... #causes #cardiology
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
Narrow QRS - ... , Atrial Tachycardia ... , Atrial flutter ... atrial tachycardia ... #cardiology
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
Narrow-Complex: ... , Atrial Tachycardia ... , Atrial Flutter ... ), Atrial Flutter ... #cardiology #wide
Tachycardia - Differential Diagnosis and Management - Narrow vs Wide, Regular vs Irregular
Narrow - Regular:
Use P
Tachycardia - Differential ... deflection not AVRT ... • Atrial Flutter ... Variable QRS morphology ... #Management #cardiology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Atrial flutter ... AV reentrant tachycardia ... • Atrial tachycardia ... Atrial flutter ... Algorithm #Causes #cardiology
Approach to ECGs - Tachy/Bradyarrhythmias
Tachyarrhythmias - HR > 100
Wide
  (1) VT - DANGER
  (2)
Approach to ECGs ... (2) Atrial ... bradyarrhythmia #ECG ... #EKG #diagnosis ... electrocardiogram #cardiology
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential Diagnosis ... Flutter (AFL), Atrial ... (AVRT), AV nodal ... #Differential #Diagnosis ... #Causes #cardiology
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
Lead AVR on ECG ... • Narrow complex ... : AVNRT, AVRT, atrial ... #AVR #leadAVR #ecg ... #cardiology
Lead aVR on EKG
Lead aVR can provide some unique insight into 5 different conditions:

 - Acute
Lead aVR on EKG ... in narrow complex ... Brugada criteria) #Diagnosis ... #Cardiology #EKG ... #ECG #Lead #AVR