34 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
Hyperaldosteronism Testing Algorithm
INDICATIONS FOR TESTING:
Suspicion of primary aldosteronism - Manifestations: hypertension, hypokalemia, metabolic alkalosis
ORDER: Aldosterone/Renin Activity
Hyperaldosteronism Testing ... Algorithm INDICATIONS ... FOR TESTING: Suspicion ... Aldosterone/Renin Activity ... Hyperaldosteronism #Algorithm
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
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
Diagnostic algorithm for a child or adolescent with suspected pulmonary hypertension. CHD, congenital heart disease; CPET,
Diagnostic algorithm ... cardiopulmonary exercise testing ... #Hypertension #Workup ... #Algorithm
Hypoglycemia - Evaluation Algorithm
Interpreting Hypoglycemia Labs - the patient must be hypoglycemic at the time of
Hypoglycemia - Evaluation Algorithm ... at the time of testing ... Hypoglycemia #Evaluation #Algorithm ... #workup #diagnosis