13 results
Tachycardia - Differential Diagnosis Table - Wide vs Narrow, Regular vs Irregular

Regular Rhythm - Narrow Complex
Differential Diagnosis Table ... Don't rely on criteria ... whether AF is cause ... Differential #Diagnosis #Table ... Narrow #Irregular #causes
Genital Skin Ulcers - Differential Diagnosis Algorithm
Painful:
 • Herpes simplex
 • Haemophilus ducreyi (chancroid)
 • Behcet's
Differential Diagnosis Algorithm ... Painful: • Herpes simplex ... Ulcers #ulcerative #skinrash ... Differential #Diagnosis #Algorithm ... #causes
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Differential Diagnosis Algorithm ... Artery Disease • Stable ... Pleural Thickening/Masses ... #Causes
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Differential Diagnosis Algorithm ... • Herpes simplex ... Vesiculobullous #SkinRash ... Differential #Diagnosis #Algorithm ... #causes
Orthopedic Essentials - Spinal Trauma and Spine Classification 
DENIS THREE COLUMN CONCEPT
Anterior column:
fractures: Don't cause ... deficit, still able ... Criteria of unstable ... Posterior Ligamentous complex ... injury 2 Complete
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Cardiovascular Causes ... Infarction • Stable ... / Mediastinal Causes ... Sarcoidosis Other Causes ... #causes
Hypomagnesemia - Etiologies by Mechanism

Decreased GI Uptake 
 - Poor dietary intake (particularly common in alcoholics)
Excessive GI losses ... renal tubular dysfunction ... Low #Magnesium #Table ... #Classification ... #Causes #Workup
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
Differential Diagnosis Algorithm ... Viral - Herpes simplex ... Ulcers #ulcerative #skinrash ... Differential #Diagnosis #Algorithm ... #causes
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
Summary table of ... Allergen-specific lgE causes ... Antigen-antibody complex ... types #allergy #table ... #classification
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
: • 1400 new cases ... • 75-90% of cases ... Diagnostic Criteria ... Abnormal in 50% of cases ... • Infectious causes