8 results
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
urine • 1ml blood ... : 3 or more RBC/ ... (Urinalysis or ... : - RBC casts ... #renal #urine #blood
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... → Urinalysis >3 ... casts, dysmorphic ... Nephrology if cause ... Workup #urology #blood
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... Algorithm Red blood ... cells on urine microscopy ... Glomerular (Dysmorphic RBCs ... and/or RBC casts
Approach to Microscopic Hematuria 

Microscopic hematuria is often incidental but may be associated with urologic malignancy.
Hematuria Microscopic ... persons on screening urinalysis ... RBC's, cellular casts ... ≥ 3 RBC/TIPF on ... Low-Risk: Repeat urinalysis
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
Microscopic exam ... (RBC) ... • Urinary casts ... leucocyte-esterase #urine #UNa #casts ... #glucosuria #hematuria
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
, proteinuria, hematuria ... Goodpasture's cause ... reveals increasing blood ... or gross hematuria ... , RBC casts, low
TTP - Laboratory Evaluation for Thrombotic Thrombocytopenic Purpura

Activity of von Willebrand factor-cleaving protease activity - A
decrease in most cases ... of Peripheral blood ... a left shift Urinalysis ... proteinuria and hematuria ... (without casts)
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
multiplex • Hematuria ... PR3-ANCA): • Microscopic ... tract, and often causes ... Large Vessel: Blood ... , and SLE) • Urinalysis