20 results
Agents Causing Potential False-Positive Results With Urine Drug Screening 

#Urine #DrugScreens #UDS #Laboratory #Toxicology #Diagnosis #FalsePositive
Toxicology #Diagnosis #FalsePositive ... #Testing
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
Toxicology #Diagnosis #FalsePositive ... #Testing
What is Fecal Occult Blood Testing (FOBT)
 • Screening for colorectal cancer in average risk population
Fecal Occult Blood Testing ... the ambulatory setting ... to unnecessary testing ... #OccultBlood #Testing ... #FOBT #Guaiac #FalsePositives
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
#FalsePositives ... DrugScreening #UDS #Testing
Causes of Inaccurate Fecal Occult Blood Test Results 

False Positive gFOBT:
Ingestion of nonhuman heme (eg, meat
#OccultBlood #Testing ... #Laboratory #FalsePositive
Algorithm for selection of the young potential living kidney donor candidate. ∗APOL1 genetic testing is recommended
Algorithm for selection ... ∗APOL1 genetic testing ... #Diagnosis #Nephrology ... Criteria #Evaluation #Algorithm
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Differential Diagnosis Algorithm ... present on repeat testing ... including overnight testing ... #Proteinuria #Nephrology ... Differential #Diagnosis #Algorithm
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
and Diagnosis Algorithm ... mimics, repeat testing ... → Refer to Nephrology ... cystoscopy • Refer to Nephrology ... Hematuria #Diagnosis #Algorithm
Hypophosphatemia Diagnostic Algorithm
- GI Losses
- Redistribution
- 1° HPT
- 1° Renal PO4 wasting: Hereditary, TIO, Fanconi Syndrome,
Hypophosphatemia Diagnostic Algorithm ... - 1° Renal PO4 wasting ... low #diagnosis #Algorithm ... #differential #nephrology
Hyponatremia Differential Diagnosis Algorithm - Utilizing Uric Acid 
ADH promotes Urea/uric acid excretion along with water
Differential Diagnosis Algorithm ... Acid → renal salt wasting ... Differential #Diagnosis #Algorithm ... #nephrology #sodium