13 results
Acute Joint Pain - Vitamin CD Mnemonic
Vascular
Infectious
Trauma - Multiple injury sites, Open Fracture, Infectious joint pain
Autoimmune
Vascular Infectious Trauma ... - Multiple injury ... sites, Open Fracture ... See pathologic fractures ... #diagnosis #Causes
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
• Due to injury ... distal radius fracture ... , scaphoid fracture ... unless associated fracture ... #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
fracture (scaphoid ... radial styloid fracture ... , median nerve injury ... #Orthopedics #Sports ... #MSK
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential ... bearing after injury ... Intra-articulation fracture ... diagnosis #msk #
Chest Trauma Complications - Differential Diagnosis Algorithm
Cardiac:
 • Cardiac Tamponade*
 • Pericarditis
 • Myocardial Contusion
 •
Chest Trauma Complications ... - Differential ... Wall: • Rib Fractures ... Lung: • Pulmonary ... Diagnosis #Algorithm #Causes
Orthopedic Splints, Casts, Plasters, Traction and Frames
Upper Limb and Spine 
 • DUNLOP TRACTION: Used in
cervical spine injury ... deformity of hip and knee ... Used acutely in management ... exsanguinating pelvic trauma ... #Orthopedics #management
Posterior Knee Dislocation Injury
Specifically, POSTERIOR KNEE DISLOCATIONS can have significant associated injury that needs unique approach
Fractures-> Femur ... for associated fracture ... Avulsion fractures ... SEGOND FRACTURE: ... Avulsion fracture
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Leg Pain: • Fracture ... • Sciatica • Tarsal ... • Crush injury ... lower #extremity #msk
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Poliomyelitis Activity/ Trauma ... Greater Trochanter Fracture ... Valgus position of knee ... pathophysiology #causes ... signs #diagnosis #msk
Stridor - Differential Diagnosis Framework:
High-pitched, variable respiratory sound

ETIOLOGIES:
Infectious:
 • Retropharyngeal abscess
 • Acute epiglottitis
 • Peritonsillar
Ludwig's angina Trauma ... Mechanical: • Larynx fracture ... inhalation • Tracheal injury ... #diagnosis #causes ... #pulmonary #airway