15 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... • Due to injury ... ("Terry Thomas sign ... MH/CCF/CWRU EM Res ... #Radiology #XRay
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
associated injuries: Carpal ... , median nerve injury ... #Wrist #Carpal ... #Radiology #XRay ... #Diagnosis #Management
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... "pooping duck sign ... injuries: Perilunate dislocation ... #Carpal #Radiology ... #XRay #Diagnosis
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
can't make A-OK sign ... ), ligamentous injury ... brachial artery injury ... #Radiology #XRay ... #Diagnosis #Management
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
anterior sail sign ... radioulnar joint injury ... , elbow dislocation ... #Radiology #XRay ... #Diagnosis #Management
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
- C6, C7, C8 Elbow ... spared in this injury ... Carpal Tunnel Syndrome ... Anterior Shoulder Dislocation ... Dermatomes #Myotomes #diagnosis
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior sail sign ... can't make A-OK sign ... brachial artery injury ... #Humerus #Radiology ... #XRay #Diagnosis
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Fracture • Hip dislocation ... Valgus position of knee ... pathophysiology #causes ... #symptoms #signs ... #diagnosis #msk
Papulosquamous Skin Rash - Differential Diagnosis Algorithm
Erythrematous or violaceous papules & plaques with overlying scale
 •
silvery scale on elbows ... & knees. ... Auspitz sign, Koebner's ... flat-topped) papules on wrists ... #Algorithm #causes
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
hyperthermia crisis (late sign ... amphetamines) Toxic: • Radiologic ... Traumatic brain injury ... By Association ... Anesthesia #Checklist #Diagnosis