9 results
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... : - Autoimmune ... Fecal occult blood test ... #Causes #dermatology
RPR - False Positives
Causes of a false positive RPR that are not syphilis. (False-negative treponemal tests
Causes of a false ... treponemal tests ... are rare; case ... Infection • Autoimmune ... #diagnosis #syphilis
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
malignancies, autoimmune ... infection and autoimmune ... • Causes are multiple ... comparison #table #differential ... #diagnosis #dermatology
D-dimer
Plasma D-dimer is a product of clot breakdown, released upon degradation of polymerized, crosslinked fibrin. Elevated
, which can cause ... specificity (i.e. more false ... positive tests) ... #differential # ... diagnosis #age #
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
Skin Lesions - Differential ... Diagnosis Framework ... fingers, volar wrists ... Generalized itchy rash ... #Diagnosis #Dermatology
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Liver Injury - Differential ... Diagnosis Algorithm ... Vascular Causes ... extrahepatic source - Tests ... #hepatology
Blood Product Transfusions One Pager Summary
Type and screen - determines blood type and detects in recipient
indirect Coombs test ... maculopapular rash ... Causes purpura & ... #Transfusions #diagnosis ... #management #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... mucositis - Rash ... Takayasu: - Age ... retinopathy Lab Tests ... #diagnosis #rheumatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
- Differential ... Tests: • Measure ... Symptoms: • Gottron rash ... statins - probably caused ... #differential #