13 results
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 ... #causes #differential ... #diagnosis #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
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Patellofemoral Syndrome ... (e.g., Tendon Rupture ... Deformity #Limp #MSK ... #Algorithm #Orthopedics ... #Causes
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... Herpes zoster - HIV ... Repetitive strain injury ... Trauma • Crush injury ... lower #extremity #msk
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:
Lipohemarthrosis on POCUS
Pain in L knee after injury. Long axis in suprapatellar recess. What's the diagnosis?
Answer:
in L knee after injury ... What's the diagnosis ... Lipohemarthrosis caused ... liquid layer in the effusion ... clinical #ultrasound #msk
Soft Tissue Lesions - Differential Diagnosis Algorithm 
Septic
 • Septic Bursitis
 • Necrotizing Fasciitis
 • Septic
- Differential Diagnosis ... Muscle • Tendon Rupture ... SoftTissue #Lesions #MSK ... #Algorithm #Orthopedics ... #Causes