27 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 ... Infectious Knee ... #Effusions #causes
Kaposis Sarcoma: Darkly pigmented macules caused by this malignancy. Seen most commonly in
patients with HIV infection.

Charlie
pigmented macules caused ... patients with HIV ... infection. ... Images #Clinical ... #Photo #Dermatology
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
joint needs to be clinically ... Finger deformity caused ... : Hyperflexion injury ... Discharge with orthpedic ... Radiology #XRay #Diagnosis
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
dogs & latter can cause ... microvascular injury ... the key to the diagnosis ... Canimorsus #Skin #Rash #dermatology ... #clinical #photo
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
marine microbiota & causes ... hemolytic anemia, CKD, hiv ... rash #cellulitis #dermatology ... #legs #clinical ... #photo
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
- Differential Diagnosis ... Algorithm Infection ... Legg-Calve-Perthes Disease Knee ... #Algorithm #Orthopedics ... #Causes
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
late adulthood • Diagnosis ... to 8 years Clinical ... conditions Diagnosis ... DDX - Other causes ... Epstein-Barr syndrome, HIV
Rhabdomyolysis - Differential Diagnosis Framework and Management Summary

Causes of Rhabdomyolysis:
 • Trauma:
	- Immobilization
	- Crush injury
	- Compartment
- Differential Diagnosis ... Management Summary Causes ... Statins - ETOH - Infection ... Dermatomyositis Clinical ... #Management #causes
Orthopedic Emergencies
Compartment Syndrome
 • An increase in compartment pressure to the point where tissue perfusion is
Orthopedic Emergencies ... Syndrome • Syndrome caused ... tibia/fibula) and hip ... progressive inflammatory infection ... • Diagnosis:
Lesions of the Spinal cord - Spinal Cord Syndromes

Spinal cord lesions can result in permanent neurologic
Causes of spinal ... • Extrinsic Causes ... Infarction - Infection ... syphilis, and HIV ... #differential #diagnosis