127 results
COVID-19 PCR and Serology Testing - Timeline
 • Nucleic Acid Test - Most reliable and can
COVID-19 PCR and ... Serology Testing ... • Nucleic Acid Test ... #COVID19 #PCR #Serology ... antibody #antibodies #testing
The following graph was prepared based on the latest information on Testing for the Diagnosis of
information on Testing ... the HIV-1 RNA PCR ... If the RNA PCR test ... blood for the RNA PCR ... InfectiousDiseases #HIVAIDS #Testing
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
#Diagnosis #InfectiousDiseases #PJP #PCP #Pneumocystis #Pneumonia #Testing #Tests #Sensitivity #Specificity
InfectiousDiseases #PJP #PCP ... Pneumocystis #Pneumonia #Testing ... #Tests #Sensitivity
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
Diarrhea Workup and Management Algorithm in Transplant Patients
First Tier Microbiologic-Testing:
1. C. difficile PCR (Stool)
2. CMV qPCR
Microbiologic-Testing ... Microbiologic-Testing ... Breath test for ... overgrowth If above testing ... Transplant #diagnosis #differential
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Antinuclear Antibody Testing ... Smith, Sm/RNP, Scl ... body-like: - Neurologic ... Antinuclear #Antibody #Testing ... Cytoplasmic #Patterns #differential
Estimated Timeline for Detection of SARS-CoV-2 Infection Relative to Symptom Onset

#COVID19 #SARSCOV2 #PCR #Serology #Antibodies #Antibody
COVID19 #SARSCOV2 #PCR ... #Serology #Antibodies ... Antibody #Laboratory #Testing
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Additional laboratory tests ... chronic kidney tests ... Test for celiac ... disease with serology ... Non-invasive testing