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

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

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
#DrugScreens #UDS ... Toxicology #Diagnosis #FalsePositive ... #Testing
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
Drug Screens (UDS ... #FalsePositives ... DrugScreening #UDS ... #Testing #Laboratory
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
Causes of Inaccurate Fecal Occult Blood Test Results 

False Positive gFOBT:
Ingestion of nonhuman heme (eg, meat
#OccultBlood #Testing ... #Laboratory #FalsePositive ... FalseNegative #Diagnosis #Differential
Algorithm for the diagnosis of chronic diarrhea.
It is usually impractical to test and treat the many
Algorithm for the ... diarrhea before testing ... the much smaller differential ... Chronic #Diarrhea #Algorithm ... #Testing
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives
1,3-Beta-D-Glucan
 • Cell wall component of many fungi
Galactomannan Testing ... not available in US ... in BAL does not differentiate ... Galactomannan #Fungal #Testing ... #FalsePositives
Spirometry - PFT Interpretation Algorithm

- BWH Medicine Chiefs @BrighamChiefs

#Spirometry #PFTs #Interpretation #Algorithm #diagnosis #differential #pulmonary #function
Interpretation Algorithm ... Interpretation #Algorithm ... #diagnosis #differential ... pulmonary #function #testing
Hypophosphatemia - Measurement of urine phosphate excretion - Differential Diagnosis Algorithm
 • GI loss
 • Redistribution
phosphate excretion - Differential ... Diagnosis Algorithm ... Primary Renal PO4 wasting ... phosphate #excretion #Differential ... #Diagnosis #Algorithm
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
Pancytopenia - Workup and Differential ... Diagnosis Algorithm ... Eating disorders ... • Hypoplastic MDS ... #Diagnosis #Algorithm