hematuria Flashcards
what can red blood in urine or discoloration of red in urine be associated with
- foods, like red beats
- some meds
- hemorrhagic cystitis
- severe UTI
- trauma
- overwhelming infection
- bladder ca
- prostate ca
- renal ca
- glomerulonephritis
differential dx with hematuria
- microscopic
2. macroscopic
what do all pts need done with hematuria
urine culture, regardless of clinical presentation and symptoms
hematuria d/t microscopic qualifies what
> 3 RBCs visualized on 2 separate urine samples
microscopic hematuria is visible or non visible
non visible
transient causes of microscopic hematuria
UTI strenuous activity (marathon runner)
resolves in 48 - 72 hours
spurious: contamination, causes of microscopic hematuria
- menstration
2. intercourse
what qualifies true microscopic hematuria
peristence
is macroscopic hematuria visible or non visible
visible and it is always pathologic
what does macroscopic hematuria look like
red-brown with or w/o clots
what do you need to determine with macroscopic hematuria
is it glomerular or non- glomerular
differential dx for glomerular macroscopic hematuria
IgA nephropathy Primary/secondary glomerulonephrotites Infectious SLE Good Pasture Etc.
differential dx for non-glomerular hematuria
Neoplastic
Tubulointerstitial
Vascular
metabolic
what distinguishes glomerular and non glomerular
Dysmorphic RBC’s, RBC casts and new or worsening HTN, proteinuria and elevated creatinine
Are visible clots d/t glomerular cause
NEVER
they are from lower urinary tract source