40 results
Interpretation of Hepatitis B Serologies 
HBsAg - HBcAb (total) - HBcAb (IgM) - HBsAb
Susceptible to HBV
Immune
Interpretation of ... diagnosis #hepatology #interpreation ... #testing #laboratory
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
drugs that may cause ... DrugScreens #UDS #Laboratory ... Toxicology #Diagnosis #FalsePositive ... #Testing
Estimated Timeline for Detection of SARS-CoV-2 Infection Relative to Symptom Onset

#COVID19 #SARSCOV2 #PCR #Serology #Antibodies #Antibody
Antibodies #Antibody #Laboratory ... #Testing #Interpretation
Findings in Cerebrospinal Fluid in Different Causes of Meningitis

#CSF #Fluid #Analysis #Interpretation #Meningitis #Normal #Bacterial #Viral
Fluid in Different Causes ... #CSF #Fluid #Analysis ... #Interpretation
Some of the techniques used for Antenatal Diagnosis

Amniocentesis 
 - Chromosome/micro-array and DNA analysis 
 -
micro-array and DNA analysis ... PCR - Enzyme analysis ... allows genetic analysis ... #Antenatal #Testing ... #Diagnosis #Laboratory
Agents Causing Potential False-Positive Results With Urine Drug Screening 

#Urine #DrugScreens #UDS #Laboratory #Toxicology #Diagnosis #FalsePositive
DrugScreens #UDS #Laboratory ... Toxicology #Diagnosis #FalsePositive ... #Testing
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Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Arthrocentesis Interpretation ... RBC's Crystal analysis ... Lyme: Serological testing ... Arthrocentesis #Interpretation ... #joint #fluid #analysis
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
Laboratory Diagnosis ... susceptibility testing ... Synovial fluid analysis ... joint effusion • Laboratory ... testing of skin
Hepatitis B Virus Serology and Interpretation
HBsAg - Anti-HBs - Anti-HBc - HBeAg - Anti-HBe
 - Acute
Virus Serology and Interpretation ... (about 10% of cases ... HBV #Serology #Interpretation ... #diagnosis #laboratory
Causes of Inaccurate Fecal Occult Blood Test Results 

False Positive gFOBT:
Ingestion of nonhuman heme (eg, meat
Causes of Inaccurate ... #OccultBlood #Testing ... #Laboratory #FalsePositive