156 results
What is Fecal Occult Blood Testing (FOBT)
 • Screening for colorectal cancer in average risk population
Blood Testing (FOBT ... Guaiac based (g-FOBT ... immunochemical test ... of time) Why FOBT ... #Guaiac #FalsePositives
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
Specificity of a test ... disease, who will test ... #Specificity #FalsePositive
Causes of Inaccurate Fecal Occult Blood Test Results 

False Positive gFOBT:
Ingestion of nonhuman heme (eg, meat
Fecal Occult Blood Test ... False Positive gFOBT ... medication #Guaiac #FOBT ... Testing #Laboratory #FalsePositive
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
Differential Diagnosis Algorithm ... 4 tests for the ... after cross-arm test ... Differential #Diagnosis #Algorithm
Diabetic Foot Guidelines: Test patients w diabetes for peripheral neuropathy using the Semmes-Weinstein test
JAMA. 2017;318(14):1387-1388. doi:10.1001/jama.2017.11700

#Diagnosis
Diabetic Foot Guidelines ... : Test patients ... Semmes-Weinstein test
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
false positive tests ... Toxicology #Diagnosis #FalsePositive
Newer Syphilis Reverse Algorithm 

The advent of newer, faster 
treponemal antibody tests have 
allowed high-throughput of
Syphilis Reverse Algorithm ... treponemal antibody tests ... specific trep. tests ... first step in the algorithm ... Syphilis #Reverse #Algorithm
Abnormal Simmonds-Thompson Test (Positive) for Achilles Tendon Rupture

In this positive Simmonds-Thompson test, there is no plantar
Simmonds-Thompson Test ... Simmonds-Thompson test ... flexion of the foot ... Simmonds #Thompson #Test
First-line therapies for Asthma, Asthma-COPD Overlap and COPD

The diagnosis of COPD, asthma, and ACO initially requires
bronchodilator test ... required, specific tests ... bronchoprovocation test ... and sensitivity tests ... #Differences #Algorithm
Diabetic Foot Ulcer - Peripheral Arterial Disease Assessment Algorithm

Early Revascularization vs Conservative Care

Workup:
 • Arterial doppler
Diabetic Foot Ulcer ... Disease Assessment Algorithm ... #Diabetic #Foot ... PAD #Diagnosis #Algorithm