6 results
RPR - False Positives
Causes of a false positive RPR that are not syphilis. (False-negative treponemal tests
RPR - False Positives ... Causes of a false ... treponemal tests ... are rare; case ... #differential #
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... • Extremes of age ... 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 #
Allopecia - Differential Diagnosis Framework for Hair Loss

Localized / Focal Hair Loss Pattern:
 • Scarring Alopecia:
Allopecia - Differential ... Diagnosis Framework ... texture at bald spots ... ferritin • RPR ... #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
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
- Differential ... Tests: • Measure ... • Anti-MDA5 (RP-ILD ... statins - probably caused ... #differential #