365 results
Purple Urine Bag Syndrome
Chronic, indwelling catheter + bacteriuria (Providencia, Klebsiella, E.coli*) + alkaline urine
Tryptophan → Indoxyl
Purple Urine Bag ... Klebsiella, E.coli*) + alkaline ... urine Tryptophan ... BrighamChiefs #Purple #Urine
Urine Microscopy Crystals
Uric Acid crystals:
 - Formation promoted by acidic urine
 - Seen in tumor lysis
Urine Microscopy ... promoted by acidic urine ... Formation promoted by alkaline ... Formation promoted by alkaline ... urine - Seen in
What the Color of Urine Can Tell You - Differential Diagnosis by Urine Color
Clear: excess water
Pale
What the Color of Urine ... Differential Diagnosis by Urine ... Purple (Purple Urine ... Indwelling Catheter + Alkaline ... BrighamChiefs #Urine
Amyloidosis - Workup and Diagnostic Algorithm
 • Serum Immunofixation and Serum Free Light Chains
 • Biopsy
• Serum and urine ... IFE and 24-h urine ... • CBC, CMP, alkaline
Causes of Metabolic Alkalosis - Differential Diagnosis Algorithm
Urine chloride < 20 mmol/l - Chloride responsive (Chloride
Diagnosis Algorithm Urine ... diuretic use Urine ... depletion, Exogenous alkali
Possible Causes of Altered Urine Color 

Red 
    Foods: beets, blackberries, rhubarb
Causes of Altered Urine ... Purple (Purple Urine ... Indwelling Catheter + Alkaline ... #Altered #Urine
Types of Renal Calculi

Calcium oxalate
 - Interstitial apatite plaque, Low urine volume, Increased urinary calcium excretion,
apatite plaque, Low urine ... duct plaque, Low urine ... and phosphate: alkaline ... urine - Infection
Blood gas analysis
Metabolic alkalosis
Measured urine CI
< 10 mEq/L
Saline responsive
> 10 mEg/L
Not saline responsive
- Vomiting or NG
alkalosis Measured urine ... Potassium depletion - Alkali
Causes of Metabolic Alkalosis: Differential Diagnosis
ECF volume contracted: urine chloride concentration <20 meq/L
 • Gastric alkalosis:
volume contracted: urine ... volume expanded: urine ... contracted: but urine ... Milk (calcium) alkali
Methotrexate Renal Toxicity 
Prevention:
 • Alkalinize the urine, keep urine ph >7
 • Start pre-treatment 12
Prevention: • Alkalinize ... the urine, keep ... urine ph >7 •