1403 results
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
False Positives on Urine ... levofloxacin, ofloxacin, poppy ... seeds, poppy oil ... FalsePositives #Urine ... Testing #Laboratory #diagnosis
Hypo-osmolar Hypotonic HypoNatremia Algorithm (Serum Na+ < 135 meq/L, serum Osm < 275 mosm/kg)
Assess Volume Status,
Hypotonic HypoNatremia Algorithm ... Status, Check Urine ... Na, Urine Osm ... #Hyponatremia #Algorithm ... #Diagnosis #Nephrology
Hypophosphatemia - Measurement of urine phosphate excretion - Differential Diagnosis Algorithm
 • GI loss
 • Redistribution
Measurement of urine ... - Differential Diagnosis ... Algorithm • GI ... Hypophosphatemia #urine ... #Algorithm
True Hyponatremia Differential Algorithm

Instead (or in addition) of volume status examination, check urine sodium and serum
Hyponatremia Differential Algorithm ... examination, check urine ... uric acid: - Urine ... #Differential #Algorithm ... #Diagnosis #Nephrology
Polyuria - Differential Diagnosis Algorithm
Urine Output > 3L /day
Water Diuresis (Urine Osm <100 mOsm/kg)
 • Primary
- Differential Diagnosis ... Algorithm Urine ... Water Diuresis (Urine ... #Differential #Diagnosis ... #Algorithm #causes
Hyponatremia - Differential Diagnosis and Evaluation Algorithm
In addition to edema and urine concentration, always consider urine
- Differential Diagnosis ... and Evaluation Algorithm ... addition to edema and urine ... always consider urine ... #Evaluation #Algorithm
Renal Tubular Acidosis - Differential Diagnosis Algorithm
Decreased Serum K, Urine pH < 5.5 - Proximal RTA
Decreased
- Differential Diagnosis ... Algorithm Decreased ... Serum K, Urine ... #Differential #Diagnosis ... #Algorithm #nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Hyponatremia Differential Diagnosis ... Algorithm - Utilizing ... Osmolarity 2) Urine ... Osmolarity 3) Urine ... #Algorithm #nephrology
False Positive Urine Drug Screens
Amphetamines - Amantadine, brompheniramine. bupropion, chlorpromazine, desipramine, ephedrine, isometheptene, isoxsuprine, labetalol, phentermine,
False Positive Urine ... fluoroquinolones, poppy ... Positive #UDS #Urine ... Drug #Screening #diagnosis
Algorithm for Differentiating Gitelman syndrome from Bartter syndrome
 • Urine Chloride
 • Urine Ca/Cr ratio

Dr. Krithika
Algorithm for Differentiating ... Bartter syndrome • Urine ... Chloride • Urine ... syndrome #Bartter #Algorithm ... #hypokalemia #diagnosis