4 results
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
proteinuria as a disease ... Microscopic exam ... • Crystals ... Acute Kidney Injury ... #hematuria
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
polarized light microscopy ... intracellular urate crystals ... (gout) or calcium ... profile (e.g., calcium ... • Serum and urine
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... non-nephrotic proteinuria, hematuria ... edema, active urine ... : Kidney disease ... induced SLE • Kidney
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
multiplex • Hematuria ... PR3-ANCA): • Microscopic ... Kidneys -> glomerulonephritis ... LFT • ESR • ANA ... Dx: GPA, EGPA, microscopic