25 results
Algorithm for the diagnosis of chronic diarrhea.
It is usually impractical to test and treat the many
Algorithm for the ... impractical to test ... pick specific tests ... to sort out the ... much smaller differential
Syphilis Diagnostic Algorithm
 • Syphilis (TP) EIA
 • RPR
 • A different treponemal specific test (TPPA)

ID
Syphilis Diagnostic Algorithm ... treponemal specific test ... Syphilis #Diagnosis #Algorithm ... #Testing #laboratory
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
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS)
Marijuana Metabolites
 • dronabinol,
• mouthwash, short-chain ... naproxen and modern tests ... #FalsePositives ... DrugScreening #UDS #Testing ... #Laboratory #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 #Differential
Adrenal Insufficiency Differential Diagnosis Algorithm
Clinical suspicion: Weakness, fatigue, nausea, musculoskeletal pain, dizziness, volume depletion, abdominal pain,
Insufficiency Differential ... Diagnosis Algorithm ... , hypoglycemia Testing ... ACTH) stimulation test ... #Diagnosis #Algorithm
Abnormal liver function tests algorithm.
 This figure details the initial response to abnormal liver blood tests.
algorithm. ... decision for repeat testing ... mellitus; USS, ultrasound ... LFTs #Abnormal #Algorithm ... Liver #Enzymes #Differential
Chronic Diarrhea - Workup
Osmotic:
 • Consider food diary and trial avoiding certain foods or meds, Consider
hydrogen breath test ... A/P, Consider testing ... Abdominal imaging (CT, ultrasound ... celiac and/or testing ... Workup #diagnosis #differential
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Hypertension - Differential ... and Screening Testing ... disease - Renal ultrasound ... Duplex Doppler ultrasound ... #Hypertension #Differential
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
and Management Algorithm ... Microbiologic-Testing ... Breath test for ... Workup #Management #Algorithm ... Transplant #diagnosis #differential