5 results
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
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... Rash - Differential ... Palpable Rash: - Autoimmune ... Fecal occult blood test ... #Causes #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 #
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
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
- Differential ... Tests: • Measure ... MYOSITIS: • M > F • Age ... statins - probably caused ... #differential #