39 results
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 ... microscopic and ... #renal #urine #blood
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... Differential Diagnosis Algorithm ... Red blood cells ... on urine microscopy ... #Causes
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 Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... and Diagnosis Algorithm ... Nephrology if cause ... #Diagnosis #Algorithm ... Workup #urology #blood
Causes of Dysuria - Differential Diagnosis Algorithm
Pyuria - Leukocytes on Dipstick/Microscopy
 - Bacteriuria & Hematuria -
Differential Diagnosis Algorithm ... Leukocytes on Dipstick/Microscopy ... Bacteriuria & Hematuria ... Bacteriuria & No Hematuria ... #Causes
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 -
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
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
Nucleated red blood cells, aka normoblasts or erythroblasts, were released prematurely from the bone marrow in
Nucleated red blood ... cells, aka normoblasts ... fetus/newborn the causes ... #Path #Peds #BloodSmear ... #Blood #Smear #
Schistocytes can assume a shape resembling natural or man-made objects such as arrowheads, fish, collar buttons,
In this case, arrows ... point to helmet cells ... cell, 2 blister cells ... Clinical #Path #BloodSmear ... #Blood #Smear #