125 results
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
= no fracture, complex ... and reduction; Complex ... simple; Yes, if complex ... within 1 week; Complex ... #Posterior #Radiology
Approach to ECGs - VT vs. SVT - Wide Tachycardias
DDx = VT vs. SVT with BBB
All
VT: - No RS complexes ... - Very broad complexes ... 160ms) - AV dissociation ... (P and QRS complexes ... Versus #ecg #ekg #cardiology
VT versus SVT with Aberration - Interpretation Cheat Sheet

Features favouring VT
● Absence of typical RBBB or
morphology ● AV dissociation ... (P and QRS complexes ... beats (hybrid complex ... AV dissociation ... Comparison #Diagnosis #Cardiology
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Algorithm Narrow Complex ... conduction Wide-Complex ... Diagnosis #Algorithm #Causes ... #cardiology
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Rhythm - Narrow Complex ... whether AF is cause ... Tx: Underlying cause ... Narrow #Irregular #causes ... #cardiology
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... Irregular Narrow Complex ... Regular Narrow Complex ... differential #diagnosis #causes ... #cardiology
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Painful: • Herpes simplex ... ulcerative #skinrash #dermatology ... Diagnosis #Algorithm #causes
Ultrasound-Guided Regional Nerve Blocks in Emergency Medicine: Supraclavicular Brachial Plexus Nerve Block
Uses in the Emergency Department:
Plexus Nerve Block Uses ... fractures and elbow dislocations ... , complex laceration
Cannon A Waves
 • Caused by atrial contracting against a closed tricuspid valve
 • Atrioventricular dissociation
Cannon A Waves • Caused ... Atrioventricular dissociation ... it indicates AV dissociation ... AWaves #diagnosis #cardiology
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
blisters, possibly crusts ... • Herpes simplex ... Vesiculobullous #SkinRash #dermatology ... Diagnosis #Algorithm #causes