60 results
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria: Red/Dark urine ... 1ml blood/liter urine ... can induce color ... examination of urine ... #urology #nephrology
Possible Causes of Altered Urine Color 

Red 
    Foods: beets, blackberries, rhubarb
Possible Causes ... of Altered Urine ... Color Red ... #Colored #Discoloration ... Differential #Diagnosis #Nephrology
Causes of Green Colored Urine - Differential Diagnosis
Drugs/Ingestion: 
 • Cimetidine, Promethazine, Indomethacin, Metoclopramide, Flutamide, Methylene
Causes of Green ... Colored Urine - ... chlorophyll), Wilisan pills ... fistula, Green beer ... #colored
Urine Color - Differential Diagnosis
Red Urine:
 • Medical conditions: bleeding, porphyria, factitious disorder
 • Meds: rifampin,
Urine Color - Differential ... : • Any cause of ... dyes typically cause ... #Color #Differential ... discoloration #nephrology
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... one of several colored ... - Believed to be ... #Urine #Microscopy ... #nephrology #interpretation
Causes Abnormal Urine Color - Differential Diagnosis
Turbid White Urine (Albinuria):
 • Chyluria, Filariasis, Schistosomiasis, Malignancy, Phosphaturia,
Causes Abnormal ... Urine Color - Differential ... Syndrome - UTI caused ... #Color #discoloration ... Differential #Diagnosis #nephrology
Distal Renal Tubular Acidosis (RTA)  Type 1 

Totally scuppers the kidney's acidification mechanism. Will be
Will be much easier ... diagnosis with direct urine ... Failure to acidify urine ... Diagnosis #Management #Nephrology ... #Causes #Differential
Sulfa Crystals on Urine Microscopy
Sulfa Crystal!  Drug-induced crystalluria is a cause of acute renal failure
Sulfa Crystals on Urine ... crystalluria is a cause ... that has not to be ... Sulfa #Crystals #Urine ... crystalluria #clinical #nephrology
Causes of Hypernatremia - Differential Diagnosis Algorithm
Hypernatremia - Excess free water loss, Serum Sodium >145 mmol/L
High
Causes of Hypernatremia ... 145 mmol/L High Urine ... Osmotic diuresis (see ... glucosuria Low Urine ... Hypernatremia #Nephrology
Urinalysis & Urine Sodium 
Theophilus Protospatharius, a seventh-century physician who wrote the first manuscript focused exclusively
sediment and color ... physician could assess color ... Visual exam • Color ... • Urinary casts ... Should not be used