130 results
COVID-19 PCR and Serology Testing - Timeline
 • Nucleic Acid Test - Most reliable and can
Testing - Timeline ... • Nucleic Acid Test ... days • Antibody Test ... 10 days Both tests ... antibody #antibodies #testing
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Syncope Diagnostic Testing ... Cost - Cost per test ... etiology of syncope Tests ... Cardiac stress test ... Syncope #diagnosis #workup
The HINTS Exam - Differentiating Central vs Peripheral Vertigo

Head Impulse Test
Nystagmus
Test of Skew

Animation by Dr. Y.
Head Impulse Test ... Nystagmus Test ... #HINTS #Exam #PhysicalExam ... #Testing #Vertigo ... Central #Peripheral #Neurology
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Gastrointestinal Evaluation of Iron Deficiency Anemia
In patients with anemia, diagnose iron deficiency if:
 • Ferritin <
Additional laboratory tests ... chronic kidney tests ... Test for celiac ... Non-invasive testing ... Gastrointestinal #Evaluation #workup
Algorithm for the diagnosis of chronic diarrhea.
It is usually impractical to test and treat the many
Algorithm for the ... impractical to test ... pick specific tests ... Chronic #Diarrhea #Algorithm ... #Testing
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Myasthenia Gravis
Signs, Symptoms and Testing - Likelihood Ratios
Does this patient have myasthenia gravis?
JAMA. 2005 Apr 20;293(15):1906-14.
speaking - Sleep Test ... - Ice Test - ... Rest Test - Anticholinesterase ... Test - Quiver ... LikelihoodRatios #PhysicalExam
Shoulder Exam - Provocative Testing

Supraspinatus muscle injury:
 - Jobe’s Test
 - Hawkin’s Test
 - Drop Arm
- Provocative Testing ... - Hawkin’s Test ... - Drop Arm Test ... #Diagnosis #PhysicalExam ... #Shoulder #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
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 ... Celiac #Disease #Testing ... #Diagnosis #Workup
Newer Syphilis Reverse Algorithm 

The advent of newer, faster 
treponemal antibody tests have 
allowed high-throughput of
treponemal antibody tests ... specific trep. tests ... RPR) Non-trep tests ... labor-intensive treponemal test ... new and old trep test