15 results
Positive Varus Stress Test in LCL Injury

Interesting knee injury in a young basketball player who landed
confirmed a complete rupture ... of the complete rupture ... Clinical #Video #PhysicalExam ... #Sports #Orthopedics ... collateral #ligament #msk
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
Finger deformity caused ... : Hyperflexion injury ... Discharge with orthpedic ... Radiology #XRay #Diagnosis ... #MSK
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
Hyperextension injury ... Discharge with orthopedic ... Radiology #XRay #Diagnosis ... Management #Hand #Orthopedics ... #MSK
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... and Differential Diagnosis ... osmolarity If cause ... hepatitis serology, HIV ... #nephrology #causes
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... Herpes zoster - HIV ... Trauma • Crush injury ... lower #extremity #msk ... #physicalexam
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Patellofemoral Syndrome ... (e.g., Tendon Rupture ... Deformity #Limp #MSK ... #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 ... - Differential Diagnosis ... bearing after injury ... Knee #Effusions #causes ... #msk #physicalexam
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
hand" ± Horner Syndrome ... spared in this injury ... Carpal Tunnel Syndrome ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm #physicalexam
Causes of Primary and Functional Mitral Regurgitation (MR) 
Causes of primary mitral regurgitation
 - Rheumatic heart
, Ehler-Danlos syndrome ... MV chordae may rupture ... base and body, tip ... papillary muscle injury ... #Differential #Diagnosis
Orthopedic Emergencies
Compartment Syndrome
 • An increase in compartment pressure to the point where tissue perfusion is
Orthopedic Emergencies ... • Syndrome caused ... tibia/fibula) and hip ... after an acute injury ... • Diagnosis: