107 results
COVID-19 PCR and Serology Testing - Timeline
 • Nucleic Acid Test - Most reliable and can
COVID-19 PCR and Serology ... Testing - Timeline ... first 7 days • Antibody ... #antibody #antibodies ... #testing #laboratory
Algorithm for the diagnosis of chronic diarrhea.
It is usually impractical to test and treat the many
impractical to test ... diarrhea before testing ... reduce unnecessary testing ... pick specific tests ... the much smaller differential
Estimated Timeline for Detection of SARS-CoV-2 Infection Relative to Symptom Onset

#COVID19 #SARSCOV2 #PCR #Serology #Antibodies #Antibody
SARSCOV2 #PCR #Serology ... #Antibodies #Antibody ... #Laboratory #Testing
Newer Syphilis Reverse Algorithm 

The advent of newer, faster 
treponemal antibody tests have 
allowed high-throughput of
faster treponemal antibody ... tests have allowed ... specific trep. tests ... / ELISA trep antibody ... Reverse #Algorithm #Testing
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
- Antinuclear antibody ... peptide (CCP) antibody ... testing has higher ... • Hepatitis B serology ... testing • Serum
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
Head Impulse Test ... Nystagmus Test ... #PhysicalExam #Testing ... Central #Peripheral #Neurology
Pronator Drift Testing for Stroke
Subtle extensor weakness - Sign of Upper motor neuron lesion
In detecting CT/MRI
Pronator Drift Testing ... 9.2, LR- 0.09 Best ... test characteristics ... Pronator #Drift #Testing ... physicalexam #diagnosis #neurology
The following graph was prepared based on the latest information on Testing for the Diagnosis of
information on Testing ... bother doing any tests ... There are NO tests ... InfectiousDiseases #HIVAIDS #Testing ... Windows #Screening #Antibody
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 ... anti-transglutaminase antibody ... Celiac #Disease #Testing
SLICC SLE Diagnostic Criteria - Systemic Lupus Erythematosus
Clinical and Immunologic Criteria

CLINICAL CRITERIA
 - ACUTE CUTANEOUS LUPUS
SEROSITIS - RENAL - NEUROLOGIC ... - Anti-dsDNA antibody ... the presence of antibody ... determined by Positive test ... Direct Coombs’ test