12 results
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
caused by disruption ... (may be bony or ... : Hyperflexion injury ... Discharge with orthpedic ... #MSK
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
Hyperextension injury ... tendon), mallet finger ... Discharge with orthopedic ... Management #Hand #Orthopedics ... #MSK
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Bone Deformity / ... Patellofemoral Syndrome ... (e.g., Tendon Rupture ... Deformity #Limp #MSK ... Diagnosis #Algorithm #Orthopedics
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Diagnosis Framework Bone ... Herpes zoster - HIV ... Repetitive strain injury ... Trauma • Crush injury ... lower #extremity #msk
Orthopedic Emergencies
Compartment Syndrome
 • An increase in compartment pressure to the point where tissue perfusion is
Orthopedic Emergencies ... • Syndrome caused ... event after long bone ... tibia/fibula) and hip ... after an acute injury
Soft Tissue Lesions - Differential Diagnosis Algorithm 
Septic
 • Septic Bursitis
 • Necrotizing Fasciitis
 • Septic
• Labral Injury ... Muscle • Tendon Rupture ... SoftTissue #Lesions #MSK ... Diagnosis #Algorithm #Orthopedics ... #Causes
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 ... bearing after injury ... - Aneurysmal bone ... Knee #Effusions #causes ... differential #diagnosis #msk
Orthopedic Splints, Casts, Plasters, Traction and Frames
Upper Limb and Spine 
 • DUNLOP TRACTION: Used in
Orthopedic Splints ... cervical spine injury ... • PELVIC BINDER ... treatment of fractured bones ... Plasters #Frames #Orthopedics
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
liver or renal injury ... / hypoxemia -> focus ... - Compartment syndrome ... Ethylene glycol - HIV ... gluconeogenesis Liver Injury
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Normal: Air > bone ... hearing loss: Bone ... cause unknown) ... II ○ Susac’s syndrome ... Noise trauma ○ MS