15 results
Syphilis Diagnostic Algorithm
 • Syphilis (TP) EIA
 • RPR
 • A different treponemal specific test (TPPA)

ID
Syphilis Diagnostic ... Algorithm • Syphilis ... treponemal specific test ... #Algorithm #Testing ... #laboratory #RPR
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Gastrointestinal Evaluation ... patients with anemia, diagnose ... • Additional laboratory ... Non-invasive testing ... #workup #diagnosis
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
false positive tests ... DrugScreens #UDS #Laboratory ... #Toxicology #Diagnosis ... #FalsePositive ... #Testing
Adrenal Insufficiency Diagnosis Algorithm - Evaluation of HPA Axis Response to ACTH

Early am cortisol < 3
Algorithm - Evaluation ... then go to stim testing ... Standard Stim test ... #Algorithm #ACTH ... #Stimulation #Test
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
algorithm. ... indicate the initial evaluation ... history alongside evaluation ... decision for repeat testing ... LFTs #Abnormal #Algorithm
COVID-19 Diagnostics In Context
Nucleic acid tests (NATs, for viral RNA)
1. Real time RT-PCR
2. Isothermal amplifcation
3. CRISPR
4.
COVID-19 Diagnostics ... generation sequencing (NGS ... Serological rapid diagnostic ... COVID19 #sarscov2 #diagnosis ... #testing #laboratory
Acromegaly Testing Algorithm
INDICATIONS FOR TESTING:
 • Adults – enlarged facial or acral features, abnormal musculoskeletal growth
Acromegaly Testing ... Algorithm INDICATIONS ... FOR TESTING: • ... gland and consider evaluation ... #Algorithm #diagnosis
Causes of Inaccurate Fecal Occult Blood Test Results 

False Positive gFOBT:
Ingestion of nonhuman heme (eg, meat
Fecal Occult Blood Test ... #OccultBlood #Testing ... #Laboratory #FalsePositive ... FalseNegative #Diagnosis
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
and Management Algorithm ... Ova and Parasite evaluation ... Breath test for ... Workup #Management #Algorithm ... #Transplant #diagnosis
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
naproxen and modern tests ... #FalsePositives ... DrugScreening #UDS #Testing ... #Laboratory #diagnosis