18 results
What the Color of Urine Can Tell You - Differential Diagnosis by Urine Color
Clear: excess water
Pale
What the Color of ... Color Clear: excess ... Syndrome): Indwelling ... #color #differential ... diagnosis #causes #discoloration
Cerebral Salt Wasting vs SIADH - Pathophysiology 
1) Neurological event
2) Sodium loss from tubules
3) Naturiesis →
Salt Wasting vs SIADH ... - Pathophysiology ... → Increased urine ... #Pathophysiology ... #diagnosis #nephrology
Causes Abnormal Urine Color - Differential Diagnosis
Turbid White Urine (Albinuria):
 • Chyluria, Filariasis, Schistosomiasis, Malignancy, Phosphaturia,
Color - Differential ... (blue diaper syndrome ... Bag Syndrome - ... #Color #discoloration ... Differential #Diagnosis #nephrology
Urine Color - Differential Diagnosis
Red Urine:
 • Medical conditions: bleeding, porphyria, factitious disorder
 • Meds: rifampin,
Urine Color - Differential ... Diagnosis Red Urine ... #Color #Differential ... Diagnosis #urinalysis #discoloration ... #nephrology
Urine Specific Gravity - Interpretation
Specific Gravity = Density of urine / Density of water
SG close to
Urine Specific Gravity ... Gravity = Density of urine ... Dehydration • SIADH ... (syndrome of inappropriate ... #differential #nephrology
Possible Causes of Altered Urine Color 

Red 
    Foods: beets, blackberries, rhubarb
Causes of Altered Urine ... Color Red ... Purple (Purple Urine ... #Colored #Discoloration ... Differential #Diagnosis #Nephrology
Volume Based Approach to Hyponatremia
Hypovolemic, Serum uric acid >4
 • Urine Na <20: Extra-renal losses
 •
uric acid >4 • Urine ... uric acid <4 • SIADH ... Cirrhosis, Nephrotic syndrome ... • Urine Na > 30 ... #sodium #low #nephrology
Abnormally Colored Urine - Differential Diagnosis Framework
Red:
 - Hematuria, Hemoglobinuria, Myoglobinuria
 - Beets, Rhubarb, Blackberries, Artificial
Abnormally Colored Urine ... Purple: - Purple urine ... bag syndrome (chronically ... #Discoloration ... Differential #Diagnosis #nephrology
SIADH Treatment Options
1. Treat underlying cause of SIADH: Pain, Primary lung pathology, Post-operative phenomenon, Medications, Basically
bacteria in the colon ... 0.9% NS • If Urine ... osmolality < 538 AND UNa ... Hypotension, Increased urine ... #hyponatremia #nephrology
Management of SIADH
Treat underlying cause:
 • Causes can include pain, primary lung pathology, post-operative phenomenon, medications,
Management of SIADH ... bacteria in the colon ... Saline: • If Urine ... osmolality < 538 AND UNa ... #hyponatremia #nephrology