503 results
Myasthenia Gravis
Signs, Symptoms and Testing - Likelihood Ratios
Does this patient have myasthenia gravis?
JAMA. 2005 Apr 20;293(15):1906-14.
, Symptoms and Testing ... Rest Test - Anticholinesterase ... Test - Quiver ... LikelihoodRatios #PhysicalExam ... #Testing
Testing for Diabetes Type II
 - 
Hemoglobin A1c test
 - Random blood sugar test
 - Fasting
Testing for Diabetes ... Hemoglobin A1c test ... - Fasting blood ... sugar test - Oral ... Classification #Testing
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
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
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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 ... #Stroke #physicalexam
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 ... Diarrhea #Algorithm #Testing
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What is Fecal Occult Blood Testing (FOBT)
 • Screening for colorectal cancer in average risk population
Fecal Occult Blood Testing ... immunochemical test ... to unnecessary testing ... #OccultBlood #Testing ... FalsePositives #FalseNegatives
COVID-19 PCR and Serology Testing - Timeline
 • Nucleic Acid Test - Most reliable and can
PCR and Serology Testing ... • Nucleic Acid Test ... days • Antibody Test ... 10 days Both tests ... antibody #antibodies #testing
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
Specificity of a test ... disease, who will test ... FalsePositive #FalseNegative
Iron Deficiency Anemia vs Anemia of Chronic Disease - Laboratory Testing

SUMMARY:
 - RDW, FEP, serum iron,
Disease - Laboratory Testing ... - Ferritin-best ... non-invasive test ... Disease #Laboratory #Testing