487 results
Syncope - Differential Diagnosis Algorithm
Neurocardiogenic:
 • Vasovagal
 • Orthostatic Hypotension
 • Autonomic Neuropathy
 • Situational (micturition,
- Differential Diagnosis ... Algorithm Neurocardiogenic ... AFlutter • AVNRT ... /AVRT - Bradyarrhythmia ... #Algorithm #causes
Arrhythmias - Differential Diagnosis Algorithm

Bradyarrhythmia (<60 bpm)
 • Sinus Bradycardia
 • Sick Sinus Syndrome
 • SA
- Differential Diagnosis ... Algorithm Bradyarrhythmia ... Aflutter • AVNRT ... • AVRT (ie ... #Algorithm #causes
Tachycardia - Differential Diagnosis Framework
Narrow-Complex:
 • Regular: Sinus Tachycardia, Junctional Tachycardia, Atrial Tachycardia, Atrial Flutter, AVRT
- Differential Diagnosis ... Atrial Flutter, AVRT ... WPW), AVnRT (ie ... Tachycardia, Antidromic AVRT ... #Differential #Diagnosis
Lead AVR on ECG
1. Acute myocardial infarction: ST elevation > 1.5 mm in aVR, indicative of
: Differential diagnosis ... reentry tachycardia (AVRT ... tachycardia ddx: AVNRT ... suggestive more of AVRT ... electrocardiogram #diagnosis
Tachyarrhythmia Framework - Differential Diagnosis
 • Narrow QRS - Regular Rhythm: Sinus tachycardia, AVNRT, Orthodromic AVRT,
- Differential Diagnosis ... Sinus tachycardia, AVNRT ... , Orthodromic AVRT ... block, Antidromic AVRT ... #Differential #Diagnosis
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
retrograde) - AVNRT ... , AVRT, Junctional ... #differential #diagnosis ... #causes #cardiology
Anatomical Differential Diagnosis for Arrhythmias
 • SA node: Sinus bradycardia, Sick Sinus Syndrome (SSS)
 • AV
Anatomical Differential Diagnosis ... re-entrant tachycardia (AVRT ... re-entrant tachycardia (AVNRT ... #Differential #Diagnosis ... #Causes #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Converts - Probably AVnRT ... or AVRT - Observe ... Treat underlying cause ... Treat underlying cause ... management #cardiology #algorithm
Supraventricular Tachycardia (SVT) - Differential Diagnosis Framework and Management

Regular SVT: Sinus Tachycardia, AVNRT, AVRT, Atrial Flutter,
- Differential Diagnosis ... Sinus Tachycardia, AVNRT ... , AVRT, Atrial Flutter ... #Differential #Diagnosis
Lead aVR on EKG
Lead aVR can provide some unique insight into 5 different conditions:

 - Acute
Lead aVR on EKG ... Lead aVR can provide ... TCA-like overdose - AVRT ... Brugada criteria) #Diagnosis ... EKG #ECG #Lead #AVR