344 results
False Positive Urine Drug Screens
Amphetamines - Amantadine, brompheniramine. bupropion, chlorpromazine, desipramine, ephedrine, isometheptene, isoxsuprine, labetalol, phentermine,
False Positive Urine ... Barbituates - Ibuprofen ... hemp-containing foods, ibuprofen ... diphenydramine, ibuprofen ... Positive #UDS #Urine
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
False Positives on Urine ... Barbiturates • ibuprofen ... thioridazine, ibuprofen ... mainly consist of ibuprofen ... FalsePositives #Urine
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
Urine Drug Screens ... Diphenhydramine, Ibuprofen ... Diphenhydramine #Urine
Causes Abnormal Urine Color - Differential Diagnosis
Turbid White Urine (Albinuria):
 • Chyluria, Filariasis, Schistosomiasis, Malignancy, Phosphaturia,
Causes Abnormal Urine ... Diagnosis Turbid White Urine ... Hydroxycobalamin, Ibuprofen ... clover) Orange Urine ... Carrots Brown Urine
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
Drug Tests Urine ... medication like ibuprofen ... positives: • Ibuprofen ... positives: • Ibuprofen
Pericarditis can be seen on EKG with diffuse ST elevations without reciprocal changes along with diffuse
pericarditis is high dose ibuprofen
Urine Microscopy Guide

#Diagnosis #Path #Nephrology #Urine #Microscopy #Chart #Guide #atlas
Urine Microscopy ... Path #Nephrology #Urine
Normal Anion-Gap Acidosis (NAGMA) - Differential Diagnosis Framework and Workup

NAGMA
- Chem, ABG or VBG
- Calculate Anion
Gap - UAG and Urine ... gap - UA with urine ... Gap - Estimate urine ... (+) NH4 in the urine ... - Renal • Urine
Urine Color - Differential Diagnosis
Red Urine:
 • Medical conditions: bleeding, porphyria, factitious disorder
 • Meds: rifampin,
Urine Color - Differential ... Diagnosis Red Urine ... spinach) Orange Urine ... red or orange urine ... ) Purple Urine:
Urine Microscopy Crystals
Uric Acid crystals:
 - Formation promoted by acidic urine
 - Seen in tumor lysis
Urine Microscopy ... promoted by acidic urine ... promoted by alkaline urine ... independent of urine ... independent of urine