12 results
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
for secondary causes ... organ-specific signs ... symptoms (eg, skin ... #Differential #diagnosis ... #hematology #eosinophilia
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... Disorientation, vertigo Diagnostic ... Cold #Urticaria #diagnosis ... #rheumatology # ... comparison #table
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
chest (in a V-sign ... Inverse Gottron’s sign ... ulcerations • Skin ... Dermatomyositis #rheumatology ... #dermatology #diagnosis
Monkeypox Skin Rash
30 yr F and her 6 yr daughter purchased 2 prairie dogs 10 days
Monkeypox Skin Rash ... dogs 10 days ago (pers ... Diagnosis? ... SkinRash #clinical #photo ... #dermatology
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Diagnosis? ... dermatophytes cause ... skin of inflamed ... type #clinical #photo ... #foot #dermatology
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
fires, heating pads ... centrifugum • A chronic skin ... PrathitKulkarni #Erythemas #comparison ... #differential #diagnosis ... #dermatology #compared
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Skin rash and malaise ... The signs and symptoms ... resembling rashes caused ... Syphilis #Rash #Diagnosis ... #Clinical #Photo
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... tract, and often causes ... Differential Diagnosis ... purpura: strong sign ... #rheumatology #
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
systemic sx + signs ... required due to skip ... identifies 85 to 95% of cases ... them, but urgent rheumatology ... GCA #Temporal #Signs
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... Vasculitis Differential Diagnosis ... purpura: Strong sign ... tract, and often causes ... #Rheumatology