133 results
Causes of False-Positive and False-Negative IGRA and TST Results

#Diagnosis #TB #Tuberculosis #Tuberculin #SkinTest #TSTs #IGRA #FalseNegatives
Causes of False-Positive ... SkinTest #TSTs #IGRA #FalseNegatives ... #FalsePositives ... #Causes
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
#Specificity #FalsePositive ... #FalseNegative
Causes of Erythema Nodosum - Mnemonic

NO cause found in 60% of cases
Drugs (antibiotics e.g., sulfonamides, amoxicillin)
Oral
Causes of Erythema ... Mnemonic NO cause ... found in 60% of cases ... Viral: HSV, EBV ... Nodosum #Mnemonic #Causes
Causes of Inaccurate Fecal Occult Blood Test Results 

False Positive gFOBT:
Ingestion of nonhuman heme (eg, meat
Causes of Inaccurate ... Testing #Laboratory #FalsePositive ... #FalseNegative
Causes of Nausea and Vomiting - Differential Algorithm #Diagnosis #EM #IM #Causes #Nausea #Vomiting #Differential #NonGI
Causes of Nausea ... Algorithm #Diagnosis #EM ... #IM #Causes #Nausea
What is Fecal Occult Blood Testing (FOBT)
 • Screening for colorectal cancer in average risk population
#FOBT #Guaiac #FalsePositives ... #FalseNegatives
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
drugs that may cause ... Toxicology #Diagnosis #FalsePositive
Cancer screening: Do the harms outweigh the benefits? #EBM #epidemioliogy #PubilcHealth #PrimaryCare #HONC #Screening #AdverseEffects #Harms
#EBM #epidemioliogy ... AdverseEffects #Harms #FalsePositives
Causes of acute kidney injury (AKI). AKI is classified into pre-renal, renal, and post-renal causes. Renal
Causes of acute ... and post-renal causes ... Renal causes of ... GBM, Glomerular ... Differential #Locations #Causes
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Causes of Thrombocytopenia ... practices that could cause ... patients if the cause ... When do you do a BM ... Differential #Diagnosis #Causes