18 results
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Differential Diagnosis Algorithm ... Red blood cells ... on urine microscopy ... RBCs and/or RBC casts ... with polyangiitis/microscopic
A normal peripheral blood smear indicates the appropriate appearance of red blood cells, with a zone
normal peripheral blood ... appearance of red blood ... cells, with a zone ... Clinical #Path #Microscopy ... PeripheralBloodSmear #BloodSmear
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
urine • 1ml blood ... urine sediment Microscopic ... urine sediment by microscopy ... : - RBC casts ... #renal #urine #blood
Algorithmic Approach to Acute Interstitial Nephritis
When to suspect AIN? (not sensitive)
 • AKI, AKD, rapidly progressive
Algorithmic Approach ... sterile pyuria, WBC casts ... eosinophiluria, microscopic ... hematuria, mild ... Nephritis #AIN #Algorithm
Examples of varying granular and granular/waxy mixed casts: 
A: coarse granular/broad-waxy (and surrounding white blood cells);
granular/waxy mixed casts ... surrounding white blood ... cells); B: light ... Granular #MuddyBrown #Casts ... #Urine #Microscopy
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... and Diagnosis Algorithm ... proteinuria, RBC casts ... #Diagnosis #Algorithm ... Workup #urology #blood
Diagnostic Criteria for Scleroderma Renal Crisis 

1. New onset blood pressure >150/85 mm Hg OR increase
New onset blood ... examination - Microscopic ... hematuria on urine ... cells on urine ... microscopy -
A – cabot ring, B – Howell-Jolly Body

What are Cabot’s rings?
- They are delicate threadlike inclusions
inclusions in the red blood ... cells in the peripheral ... blood of some patients ... Clinical #Pathology #Microscopy ... #BloodSmear #CabotRings
Causes of Dysuria - Differential Diagnosis Algorithm
Pyuria - Leukocytes on Dipstick/Microscopy
 - Bacteriuria & Hematuria -
Differential Diagnosis Algorithm ... Leukocytes on Dipstick/Microscopy ... Bacteriuria & Hematuria ... Pyelonephritis - WBC Casts ... Bacteriuria & No Hematuria
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
Microscopic exam ... • Red blood cells ... • Urinary casts ... leucocyte-esterase #urine #UNa #casts ... #glucosuria #hematuria