79 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 ... speaking - Sleep Test ... - Ice Test - ... LikelihoodRatios #PhysicalExam ... #Testing
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
False-Negative ... Contingency Table ... Specificity of a test ... disease, who will test ... #Contingency #Table
The following graph was prepared based on the latest information on Testing for the Diagnosis of
information on Testing ... There are NO tests ... chance of giving a false ... it is likely a false ... InfectiousDiseases #HIVAIDS #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
Cholecystitis Diagnostic Test Characteristics  

Sensitivity, Specificity and Likelihood Ratios of Labs, Physical Exam findings, and
Cholecystitis Diagnostic Test ... Cholecystitis #Testing ... Characteristics #Table ... LikelihoodRatio #Accuracy #PhysicalExam
Syncope Diagnostic Testing and Evaluation: Cost Effectiveness
Frequency obtained - Abnormal findings - Helped determine etiology of
Syncope Diagnostic Testing ... Cost - Cost per test ... Cardiac stress test ... diagnosis #workup #testing ... Effectiveness #table
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 ... #Comparison #Table
What is Fecal Occult Blood Testing (FOBT)
 • Screening for colorectal cancer in average risk population
Fecal Occult Blood Testing ... immunochemical test ... evaluation • False ... cauliflower, ETOH • False ... to unnecessary 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
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