8 results
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
• Symptoms of UTI ... and treat for UTI ... → Refer to Nephrology ... and referral to Urology ... Algorithm #Workup #urology
Abnormally Colored Urine - Differential Diagnosis Framework
Red:
 - Hematuria, Hemoglobinuria, Myoglobinuria
 - Beets, Rhubarb, Blackberries, Artificial
Abnormally Colored ... Hypercalcemia, Pseudomonas UTI ... patients with UTI ... Kumfer @AnnKumfer #Colored ... Differential #Diagnosis #nephrology
Urine Color - Differential Diagnosis
Red Urine:
 • Medical conditions: bleeding, porphyria, factitious disorder
 • Meds: rifampin,
Urine Color - Differential ... Medical conditions: UTI ... #Color #Differential ... #Diagnosis #urinalysis ... discoloration #nephrology
Causes Abnormal Urine Color - Differential Diagnosis
Turbid White Urine (Albinuria):
 • Chyluria, Filariasis, Schistosomiasis, Malignancy, Phosphaturia,
disease, Pseudomonas UTI ... Bag Syndrome - UTI ... Serratia marcescens UTI ... Proteus mirabilis UTI ... Differential #Diagnosis #nephrology
Possible Causes of Altered Urine Color 

Red 
    Foods: beets, blackberries, rhubarb
Causes of Altered Urine ... Color Red ... Catheter + Alkaline UTI ... #Colored #Discoloration ... Differential #Diagnosis #Nephrology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
• Fever • UTI ... Proteinuria (Negative urine ... Proteinuria (Positive urine ... Protein deposition (eg ... #Proteinuria #Nephrology
Causes of Polyuria - Differential Diagnosis
Excess Intake of Water:
 • Primary polydipsia (a.k.a. "psychogenic polydipsia")
 •
SGLT2 inhibitors (e.g ... Polyuria Mimics (↑ urine ... frequency without ↑ urine ... volume): • UTI ... Diagnosis #Causes #nephrology
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
1ml blood/liter urine ... can induce color ... by microscopy (Urinalysis ... Diagnosis #causes #urology ... #nephrology #renal