72 results
Causes of Urticaria

Immunoglobulin E (IgE) mediated

 - Aeroallergens

 - Contact allergen

 - Food allergens

 - Insect
Causes of Urticaria ... Immunoglobulin E (IgE ... infections Non-IgE ... #Mediated #NonIgE ... #Causes
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
Supracondylar Elbow Fracture ... Most common elbow fracture ... cortex • If a fracture ... anterior sail sign ... can't make A-OK sign
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
posterolateral, peak age ... , complex = fracture ... can't make A-OK sign ... + radial head fracture ... coronoid process fracture
Galeazzi Fracture 
Fracture of distal radial shaft with distal radial-ulnar joint disruption. Remember “MUGR” to recall
Galeazzi Fracture ... Fracture of distal ... • Fracture of ... disruption, peak age ... will be obvious; signs
Causes of Dizziness - Vertigo - Differential Diagnosis Algorithm
True Vertigo - Illusion of Rotary Movement
Peripheral Vestibular
Causes of Dizziness ... Dysfunction - Nausea ... Temporal Bone Fracture ... neurologic symptoms/signs ... Diagnosis #Algorithm #Causes
Causes of Back Pain - Differential Diagnosis Algorithm
Always assess for red flags. If no red flags,
Causes of Back Pain ... , parasthesis, age ... of neoplasm • Fracture ... Diagnosis #Algorithm #Causes
Back Pain - Differential Diagnosis
Primary Back Pathology:
 • Musculoligamentous injury (a.k.a. lumbosacral strain)
 • Spondylosis (i.e.
• Spondylosis (i.e ... • Compression fracture ... Traumatic compression fracture ... , Pathologic fracture ... Differential #Diagnosis #causes
Adhesive Capsulitis (Frozen Shoulder) - Pathogenesis and Clinical Findings

 • Primary (Idiopathic): Unknown etiology, but associated
shoulder injury (i.e ... , humeral head fracture ... a stroke that caused ... select populations (age ... diagnosis #symptoms #signs
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
glomerulopathies • Causes ... Glomerular Bleeding - IgA ... Mesangioproliferative GN without IgA ... hematuria • Signs ... urinary tract) Causes
Diagram of different types of bone tumors that can occur around the knee on XRay -
knee on XRay - Age ... blade of grass sign ... island • Stress fracture ... Chondrosarcoma • Stress fracture