31 results
Causes of Tachycardia - Differential Diagnosis Algorithm
Narrow Complex - Regular:
 • Sinus tachycardia
 • Atrial flutter
Causes of Tachycardia ... Algorithm Narrow Complex ... Irregular: • Atrial fibrillation ... • Ventricular fibrillation ... Diagnosis #Algorithm #Causes
Narrow Complex Tachycardias (Simplified)

Irregular Narrow Complex Tachycardia:
 1. Atrial fibrillation
	- Usually the correct answer
 2. Multifocal
Narrow Complex Tachycardias ... Irregular Narrow Complex ... Atrial fibrillation ... Regular Narrow Complex ... differential #diagnosis #causes
Orthopedic Essentials - Spinal Trauma and Spine Classification 
DENIS THREE COLUMN CONCEPT
Anterior column:
Trauma and Spine Classification ... capsule DENIS CLASSIFICATION ... fractures: Don't cause ... Posterior Ligamentous complex ... injury 2 Complete
Antiarrhythmics - Vaughan Williams Classification
Class I (Ia, Ib, Ic) - Na+ Channel Blockade
 • Slows depolarization
Vaughan Williams Classification ... • Widens QRS complex ... VaughanWilliams #Classification ... #Classes #cardiology
Treatment of Stable Narrow-Complex Tachycardia
Regular Rhythm:
 • Attempt vagal maneuvers
 • Give adenosine 6 milligrams IV
Stable Narrow-Complex ... Treat underlying cause ... Probable atrial fibrillation ... Treat underlying cause
Premature Ventricular Complexes (PVC's) - Summary Framework

Why PVCs?  Can be the first manifestation of cardiac
Premature Ventricular Complexes ... heart disease Causes ... : • Broad QRS complex ... arrhythmia • Atrial fibrillation ... #Ventricular #Complexes
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Allergen-specific lgE causes ... Antigen-antibody complex ... Antigen-antibody complexes ... allergy #table #classification
Ultrasound-Guided Regional Nerve Blocks in Emergency Medicine: Supraclavicular Brachial Plexus Nerve Block
Uses in the Emergency Department:
Plexus Nerve Block Uses ... dislocations, complex ... ultrasound #anesthesia #pocus
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Causes of Lactate ... The most common causes ... / hypoxemia -> focus ... the patient’s complete ... #typea #typeb #classification
Ventricular Fibrillation on POCUS Echocardiogram - Parasternal Short Axis

50's male witnessed arrest. Unknown hx. AED no
Ventricular Fibrillation ... asystole as in this case ... PSSA from case- ... Wide complex rhythm ... #Ventricular #Fibrillation