57 results
COVID-19 PCR and Serology Testing - Timeline
 • Nucleic Acid Test - Most reliable and can
COVID-19 PCR and ... Serology Testing ... #COVID19 #PCR #Serology ... antibody #antibodies #testing ... #laboratory #Timeline
Shoulder Exam - Provocative Testing

Supraspinatus muscle injury:
 - Jobe’s Test
 - Hawkin’s Test
 - Drop Arm
Shoulder Exam - ... Provocative Testing ... - Hawkin’s Test ... #Diagnosis #PhysicalExam ... #Shoulder #Testing
Algorithm for the diagnosis of chronic diarrhea.
It is usually impractical to test and treat the many
impractical to test ... First, physicians should ... pick specific tests ... the much smaller differential ... Diarrhea #Algorithm #Testing
Pronator Drift Testing for Stroke
Subtle extensor weakness - Sign of Upper motor neuron lesion
In detecting CT/MRI
Pronator Drift Testing ... test characteristics ... Pronator #Drift #Testing ... #Stroke #physicalexam ... #diagnosis #neurology
Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
patients with anemia, diagnose ... • Additional laboratory ... Test for celiac ... Non-invasive testing ... Evaluation #workup #diagnosis
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
Laboratory Diagnosis ... blood cultures should ... the preferred test ... testing of skin ... the workup • Test
Helicobacter Pylori Testing  Methods - Sensitivity and Specificity

Serology - 85% - 79% - Does not
Helicobacter Pylori Testing ... Specificity Serology ... Urea breath test ... first line test ... #Laboratory #Diagnosis
Urine Drug Screens - Common drugs that may cause false positive tests 

Amphetamines:
Bupropion, Labetalol, Methylphenidate, Phenylephrine,
false positive tests ... Phencyclidine (PCP ... DrugScreens #UDS #Laboratory ... #Toxicology #Diagnosis ... FalsePositive #Testing
COVID-19 Diagnostics In Context
Nucleic acid tests (NATs, for viral RNA)
1. Real time RT-PCR
2. Isothermal amplifcation
3. CRISPR
4.
COVID-19 Diagnostics ... Real time RT-PCR ... Serological rapid diagnostic ... #testing #laboratory ... #tests #pcr
The head impulse test (HIT) result is positive (abnormal) in nearly all patients with a peripheral
The head impulse test ... a stand-alone test ... #Diagnosis #PhysicalExam ... #Neurology #AVS ... #HeadImpulse #Testing