20 results
diagnosis testing clinical falsepositive laboratory cardiology dermatology differential photo uds urine b12 drugscreens ebm falsenegative falsenegatives fecal fobt gangrenosum guaiac
What is Fecal Occult Blood Testing (FOBT) • Screening for colorectal cancer in average risk population
UMassGI #Fecal #OccultBlood ... #FOBT #Guaiac #FalsePositives
Causes of Inaccurate Fecal Occult Blood Test Results False Positive gFOBT: Ingestion of nonhuman heme (eg, meat
#FOBT #Fecal #OccultBlood ... Testing #Laboratory #FalsePositive
Acute Heart Failure Exacerbation - Diagnostic Likelihood Ratios +LR > 3.5: • Overall judgement of ED physician
• BNP < 100 pg
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix Sensitivity refers to the test's ability to correctly
#Specificity #FalsePositive
Urine Drug Screens - Common drugs that may cause false positive tests Amphetamines: Bupropion, Labetalol, Methylphenidate, Phenylephrine,
Toxicology #Diagnosis #FalsePositive
Radial Fracture Due to Parathyroid Carcinoma- ...A plain radiograph of the left arm showed a diaphyseal
level of 3590 pg ... hormone level was 48 pg
Cameron lesions are gastric erosions of the mucosal folds near the diaphragmatic hiatus in the presence
Gastroenterology #occultbleed
1,3-Beta-D-Glucan and Galactomannan Testing Sensitivity Specificity and False Positives 1,3-Beta-D-Glucan • Cell wall component of many fungi
Mucormycosis • Neg (<60 pg ... Fungal #Testing #FalsePositives
Summary of Agents Potentially Contributing to False Positives on Urine Drug Screens (UDS) Marijuana Metabolites • dronabinol,
#FalsePositives
Noncardiogenic Pulmonary Edema - Differential Diagnosis Framework NCPE Pathophysiology: Noncardiogenic pulmonary edema occurs because of excessive pulmonary capillary
BNP level <100 pg
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