42 results
Tuberculosis Testing

LATENT TB
• LTBI is diagnosed when an asymptomatic patient has a positive TST or IGRA
Tuberculin skin testing ... (TST) False-negative ... recommended because false-negative ... #Tuberculosis #Testing ... #Diagnosis #Workup
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
that may cause false ... Amphetamines: Bupropion ... FalsePositive #Testing
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
Contributing to False ... (High Rate of False ... brompheniramine, bupropion ... not result in false ... DrugScreening #UDS #Testing
Eosinophil Disorders Testing Algorithm
INDICATIONS FOR TESTING:
 • Peripheral blood eosinophilia/hypereosinophilia uncovered incidentally during medical evaluation or
Algorithm INDICATIONS ... FOR TESTING: • ... evaluation or workup ... 1,500 cells/µL Workup ... Eosinophil #Disorders #Algorithm
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Diarrhea Workup ... and Management Algorithm ... Microbiologic-Testing ... #Diarrhea #Workup ... #Management #Algorithm
Hematuria Workup and Diagnosis Algorithm
 • Confirm hematuria → Urinalysis >3 RBCs/HPF, exclude mimics, repeat testing
Hematuria Workup ... and Diagnosis Algorithm ... mimics, repeat testing ... Hematuria #Diagnosis #Algorithm ... #Workup #urology
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 ... albuminuria) - Active ... Differential #Diagnosis #Algorithm
Diagnostic algorithm for the workup of hypercalcemia. The diagnostic workup for patients presenting with hypercalcemia rests
Diagnostic algorithm ... for the workup ... The diagnostic workup ... Thus, further testing ... #Differential #Algorithm
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Differential Diagnosis Algorithm ... Must exclude false ... Hematuria with active ... Hematuria with active ... Differential #Diagnosis #Algorithm
Diagnostic algorithm for a child or adolescent with suspected pulmonary hypertension. CHD, congenital heart disease; CPET,
Diagnostic algorithm ... cardiopulmonary exercise testing ... #Hypertension #Workup ... #Algorithm