17 results
What is Fecal Occult Blood Testing (FOBT)
 • Screening for colorectal cancer in average risk population
What is Fecal Occult ... Blood Testing ( ... Fellowship @UMassGI #Fecal ... #FOBT #Guaiac #FalsePositives ... #FalseNegatives
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
Sensitivity Specificity ... confusion matrix Sensitivity ... #Sensitivity #Specificity ... #FalsePositive ... #FalseNegative #
Causes of Inaccurate Fecal Occult Blood Test Results 

False Positive gFOBT:
Ingestion of nonhuman heme (eg, meat
of Inaccurate Fecal ... #Guaiac #FOBT #Fecal ... #OccultBlood #Testing ... #Laboratory #FalsePositive ... #FalseNegative
Irritable Bowel Syndrome (IBS) - Diagnosis and Workup Summary
Use a positive diagnostic strategy with minimal testing.
strategy with minimal testing ... Food allergy/ sensitivity ... testing unless ... bowel disease w/ fecal ... calprotectin or fecal
Algorithm for the Evaluation of Acute Diarrhea (< 7 days)
Are the following present?
   1.
Algorithm for the ... Fecal leukocytes ... Ova and parasite testing ... Fecal leukocyte ... Diarrhea #management #algorithm
Management Algorithm for Confusion
- Substrate verification, glucose, oxygen checks
- Toxidrome present
- Focal findings on neurologic examination
-
Management Algorithm ... Toxidrome present - Focal ... criteria - ED testing ... Delirium #Management #Algorithm
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 ... Sensitivity Specificity ... Galactomannan #Fungal #Testing ... #FalsePositives ... #Laboratory #sensitivity
Diagnostic algorithm for the workup of hypercalcemia. The diagnostic workup for patients presenting with hypercalcemia rests
Diagnostic algorithm ... value of 0.0115, sensitivity ... Thus, further testing ... #Differential #Algorithm
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
mental status, and focal ... • JC-virus PCR sensitivity ... confusion, and focal ... of serum CrAg testing ... comparable to CSF testing
Diagnosis Adrenal Insufficiency - Algorithm

Step 1) Screening Test: 6-8AM Cortisol Level
 - Early morning cortisol levels
Insufficiency - Algorithm ... for AI (but low sensitivity ... require Cosyntropin testing ... Insufficiency #Algorithm