11 results
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
triad (<10%): fever ... , rash, eosinophilia ... eosinophiluria, microscopic ... hematuria, mild ... #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 ... , abdominal pain ... #rheumatology #comparison ... #table
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Diagnosis Algorithm ... Red Flags: • Fever ... lesions • Severe pain ... cryoglobulins • Skin ... #Algorithm #Causes
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
centrifugum • A chronic skin ... early localized disease ... PrathitKulkarni #Erythemas #comparison ... #table #differential ... #diagnosis #dermatology
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
with systemic disease ... sudden onset of a rash ... - Rash: multiple ... Causes: - Idiopathic ... : - Biopsy - Microscopic
Borrelia recurrentis on Peripheral Blood Smear
23M Somali refugee recently arrived w/severe abd pain, confusion and fever
arrived w/severe abd pain ... Mild LFT ↑ This ... The table below ... Infectious Diseases ... recurrentis #BloodSmear #microscopy
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
PR3-ANCA): • Microscopic ... tract, and often causes ... Coronary arteries - Fever ... mucositis - Rash ... Vasculitis: • Fevers
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... Vasculitis: • Fevers ... , mucositis • Rash ... (PR3-ANCA)): Microscopic ... tract, and often causes
Monkeypox Skin Rash
30 yr F and her 6 yr daughter purchased 2 prairie dogs 10 days
Monkeypox Skin Rash ... Diagnosis? ... , HA, LN, back pain ... :1-3d post fever ... SkinRash #clinical #photo
Majocchi’s Granuloma due to Trichophyton rubrum 
This is GMS stain and culture of a skin biopsy
and culture of a skin ... No pain. ... No fever. ... tissues - mainly caused ... #microscopy