93 results
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
False-Negative Contingency Table ... Specificity of a test ... disease, who will test ... #Specificity #FalsePositive ... #Contingency #Table
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
false positive tests ... Toxicology #Diagnosis #FalsePositive ... #Testing
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 ... the much smaller differential ... Chronic #Diarrhea #Algorithm
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Syncope Diagnostic Testing ... Cost - Cost per test ... etiology of syncope Tests ... Cardiac stress test ... Effectiveness #table
What is Fecal Occult Blood Testing (FOBT)
 • Screening for colorectal cancer in average risk population
Fecal Occult Blood Testing ... immunochemical test ... to unnecessary testing ... #OccultBlood #Testing ... #FOBT #Guaiac #FalsePositives
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
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
Shoulder Pain - Differential ... Diagnosis Algorithm ... 4 tests for the ... after cross-arm test ... #Diagnosis #Algorithm
Newer Syphilis Reverse Algorithm 

The advent of newer, faster 
treponemal antibody tests have 
allowed high-throughput of
treponemal antibody tests ... specific trep. tests ... RPR) Non-trep tests ... labor-intensive treponemal test ... new and old trep test
Causes of False-Positive and False-Negative IGRA and TST Results

#Diagnosis #TB #Tuberculosis #Tuberculin #SkinTest #TSTs #IGRA #FalseNegatives
False-Negative IGRA and TST ... Tuberculin #SkinTest #TSTs ... FalseNegatives #FalsePositives
Commonly Used Diagnostic Tests for Celiac Disease

Tissue transglutaminase (tTG) IgA antibodies
 - Most reliable noninvasive test
Used Diagnostic Tests ... reliable noninvasive test ... first-level screening test ... Celiac #Disease #Testing ... Diagnosis #Workup #Table