21 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... leakage of RBC's secondary ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... #hematology #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... tract, and often causes ... • Cogan Syndrome ... purpura: strong sign ... #rheumatology #
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
- Differential Diagnosis ... pain hematuria syndrome ... hematuria • Signs ... → Diagnostic of ... GN or vasculitis
Causes of Secondary Hypertension - Workup and Differential Diagnosis
Approach (when evaluation should be done):
1. Severe or
Causes of Secondary ... and Differential Diagnosis ... hypertension and signs ... bruit or signs ... Coarctation of aorta, Vasculitis
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... Type III Often Secondary ... Labs/Diagnosis: ... classification #rheumatology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
and Differential Diagnosis ... osmolarity If cause ... clinical context and signs ... Glomerulonephritis / Vasculits ... syndrome: troponin
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
, small-vessel vasculitis ... ) Differential Diagnosis ... #diagnosis #management ... #signs #symptoms ... #rheumatology #
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
• Sjögren syndrome ... ANCA-Associated Vasculitis ... vasculitis - MPO ... Antineutrophil #antibodies #diagnosis ... #rheumatology #
Causes of Hypomagnesemia
Redistribution:
 - IV glucose
 - Correction of diabetic ketoacidosis
 - IV hyperalimentation
 - Refeeding
Causes of Hypomagnesemia ... - Primary or secondary ... Hypomagnesemia #Causes ... #diagnosis #differential ... medications #drugs #pharmacology
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Butterfly rash, Vasculitis ... Demyelinating syndromes ... erythematosus #signs ... #symptoms #diagnosis ... #rheumatology