55 results
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Pain - Differential ... Polyarticular Join Pain ... rash) • Primary HIV ... #JointPain #MSK ... #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 ... pain/Night sweats ... Weight loss - DDX ... diagnosis #msk #
Ear Pain (Otalgia) - Differential Diagnosis Framework

Primary Otalgia 
 - Pain that originates from the ear
) - Differential ... , weight loss, fever ... Gastrointestinal disease ... To Narrow Down Ddx ... disease processes
Hodgkin's Lymphoma vs Non-Hodgkin's Lymphoma - Comparison

Hodgkin's Lymphoma:
 • Epidemiology: young adults 20-30, older 50-70
 •
), EBV infection ... • Clinical features ... - Pel-Ebstein fever ... : Pain in involved ... #hematology
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Leg Pain - Differential ... Herpes zoster - HIV ... - Lyme disease ... /swelling - Fever ... lower #extremity #msk
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint Pain ... - Differential ... Genitourinary Infection ... Inflammatory #JointPain #MSK ... #Orthopedics #Causes
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... SLE) - Viral infections ... • HCV, HBV Not ... mountain spotted fever ... #nonpalpable #dermatology
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... Cell Disease Vaso-occlusive ... common sites: hip ... • XR, MRI to dx ... #hematology
Common Variable Immunodeficiency (CVID)

What?
CVID: Immunodeficiency disorder with hypogammaglobulinemia -> increased infection risk secondary to impaired B-cell
• Avg age of DX ... to 8 years Clinical ... DDX - Other causes ... Epstein-Barr syndrome, HIV ... hypogammaglobulinemia #immunology #hematology
Vibrio Vulnificus skin infection
Cirrhosis w/recent consumption of raw oysters w/rapidly evolving rash. 
Vibrio vulnificus part of
marine microbiota & causes ... Rapid onset of fever ... hemolytic anemia, CKD, hiv ... rash #cellulitis #dermatology ... #legs #clinical