11 results
Ascites - Diagnostic Approach and Differential Diagnosis
The most common causes: cirrhosis, malignancy and heart failure. Approx
most common causes ... more than one cause ... dullness, puddle sign ... auscultatory percussion, abdominal ... 3) Optional tests
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
activity - A low value ... If the value is ... low, tests to detect ... WBC count and differential ... #Workup #Hematology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
systemic sx + signs ... or sed rate): Value ... very remarkable w/differential ... the “Chewing gum test ... them, but urgent rheumatology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
is a skin prick test ... Behcet disease) Differential ... • Nonsurgical abdominal ... #management #signs ... #symptoms #rheumatology
Polycythemia - Differential Diagnosis Algorithm
Polycythemia itself isn’t a diagnosis. Like many things, it is a condition
Polycythemia - Differential ... that a one-off value ... why are there so ... about secondary causes ... Best to have an
Modified dengue severity classification, PAHO/WHO
Dengue without warning signs - DNWS:
 • Person who lives or has
without warning signs ... positive tourniquet test ... and no apparent focus ... Intense abdominal ... classification #diagnosis
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Case description ... mass and NO prior signs ... relatively common, so ... Differential diagnosis ... #msk #rheumatology
Causes of Lactate Elevation, Lactic Acidosis - Differential Diagnosis

The most common causes of hyperlactatemia are usually:
Lactic Acidosis - Differential ... to bolus these values ... / hypoxemia -> focus ... tests before beginning ... #Diagnosis #causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... - GI tract: abdominal ... purpura: strong sign ... retinopathy Lab Tests ... #diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... purpura: Strong sign ... tract, and often causes ... gut involvement, abdominal ... #Diagnosis #Rheumatology