14 results
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
Chronic Abdominal Pain Causes - Differential Diagnosis Framework

Many patients with chronic abdominal pain have had prior
Pain Causes - Differential ... Diagnosis Framework ... • Fever • Anorexia ... • Skin changes ... wall painAbdominal
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Red Flags: • Fever ... lesions • Severe pain ... Sjogren's, GPA, EGPA, Microscopic ... cryoglobulins • Skin ... biopsy • Abdominal
Biphasic Illness of Leptospirosis
Some patients do not progress to severe disease. Others, rapidly develop severe disease
-14 days): • Fever ... maculopapular rash ... , vomiting, abdominal ... pain, diarrhea, ... Biphasic #Phases #Diagnosis
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
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
PR3-ANCA): • Microscopic ... tract, and often causes ... - GI tract: abdominal ... mucositis - Rash ... Vasculitis: • Fevers
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
Hyperthyroidism Overview

Clinical Manifestation of Hyperthyroidism:
 • Fatigue
 • Weight loss
 • Heat intolerance
 • Depression, nervousness
Anterior neck pain ... arrhythmia - Fever ... Thickening of skin ... fibrillation/flutter • Abdominal ... hyperthyroidism #causes
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
multiplex • GI tract: Abdominal ... , mucositis • Rash ... (PR3-ANCA)): Microscopic ... tract, and often causes ... gut involvement, abdominal