34 results
Travel History - Clues to Infectious Disease Diagnosis in a Traveler 
 • Where did you
Clues to Infectious ... Disease Diagnosis ... → Leptospirosis ... Schistosomiasis • Skin ... Rabies, cat scratch fever
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... infection • Lyme disease ... • Rheumatic fever ... #joint #pain #skin ... #differential #diagnosis
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... symptoms - Headache, fever ... Cold #Urticaria #diagnosis ... #rheumatology # ... comparison #table
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Pain - Diagnostic ... acute rheumatic fever ... ), RA, crystal disease ... Like in this case ... #rheumatology #
Fever vs Hyperthermia
Fever:
 • Regulated in the hypothalamic thermoregulatory center
 • "Set point" raised by prostaglandin
Fever vs Hyperthermia ... Fever: • Regulated ... loss from the skin ... #Hyperthermia #comparison ... #diagnosis #management
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... Legg-Calve-Perthes disease ... - HIV - Lyme disease ... pain/swelling - Fever ... #differential #diagnosis
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Associated with Joint ... Scleroderma Thickened skin ... Heberden's nodes (DIP joints ... #differential #diagnosis ... #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... purple, hemorrhagic skin ... mountain spotted fever ... #Differential #Diagnosis ... #hematology #rheumatology
Fever After International Travel

Infectious Disease:
• Endemic in either the destination or home region

Viral Syndromes:
Arboviral infections, a
Disease: • Endemic ... Infections: • Leptospirosis ... of malaria diagnosed ... culture; rapid diagnostic ... #Diagnosis #InfectiousDiseases
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
Diagnosis: ... • A clinical diagnosis ... Rule out other causes ... disease. ... #Dermatology