40 results
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
Contributing to False ... Drug Screens (UDS ... (High Rate of False ... DrugScreening #UDS ... #Testing #Laboratory
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
that may cause false ... #DrugScreens #UDS ... FalsePositive #Testing
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
Tuberculosis Testing ... result with no clinical ... Tuberculin skin testing ... (TST) False-negative ... recommended because false-negative
Agents Causing Potential False-Positive Results With Urine Drug Screening 

#Urine #DrugScreens #UDS #Laboratory #Toxicology #Diagnosis #FalsePositive
Causing Potential False-Positive ... #DrugScreens #UDS ... FalsePositive #Testing
Hydroxychloroquine in COVID-19 - How might hydroxychloroquine help combat a COVID-19 infection?

It's important to remember that
that currently, clinical ... Hydroxychloroquine has given us ... false hopes in
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 ... cut-offs defined in clinical ... not available in US ... >90% (In most clinical ... Galactomannan #Fungal #Testing
Algorithm for Treating Constipation in Hospitalized Patients
1. Start with miralax daily, uptitrate to desired BM, consider
Algorithm for Treating ... smog, or soap suds ... #Constipation #Algorithm
Hypereosinophilia Different Diagnosis and Workup
Secondary causes are broad so start with a med review, the most
common cause in the US ... inpatient setting ... Outside the US, ... Diagnosis #Workup #algorithm
Diagnosis of Pulmonary Embolism in Pregnancy - EMCases Algorithm

Clinical Pearls:
 - Reproducible chest wall tenderness does
Pregnancy - EMCases Algorithm ... Clinical Pearls ... Consider walk testing ... underlying hypoxia #Algorithm
Pancytopenia - Workup and Differential Diagnosis Algorithm
Consumption Disorders
 1. Autoimmune Mediated Pancytopenia
 2. Splenic Sequestration
Peripheral Destruction
Differential Diagnosis Algorithm ... Eating disorders ... • Hypoplastic MDS ... Differential #Diagnosis #Algorithm