356 results
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
Sensitivity is the proportion ... the screening test ... identified by the test ... Specificity is the proportion ... the screening test
Knee Examination
Right Knee - Examination maneuvers include the Lachman (ACL), anterior drawer (ACL), Lateral pivot shift,
meniscal integrity) tests ... McMurray #Drawer #Test ... #msk
Chronic Shoulder Pain - Differential Diagnosis Algorithm
4 tests for the AC joint:
1. Direct palpation
2. Cross-arm shoulder
Diagnosis Algorithm 4 tests ... after cross-arm test ... Diagnosis #Algorithm #MSK
Sensitivity Specificity False-Positive False-Negative Contingency Table / confusion matrix

Sensitivity refers to the test's ability to correctly
Specificity of a test ... is the proportion ... disease, who will test
Clarke's Test (Patellar Grind Test)

Indicates Patellofemoral dysfunction.
 - Patient with knee in extension. Push posterior on
Clarke's Test (Patellar ... Grind Test) ... of patella then ask ... _ #Clarkes #Test ... Patellofemoral #msk
Spondylolysis & Spondylolisthesis: Pathogenesis and Clinical Findings

Pars interarticularis stress fracture (spondylolysis) - most frequently in the
hyperextension test ... (Stork test) ... Spondylolisthesis #MSK ... #diagnosis #pathophysiology
Anterior Cruciate Ligament Injury seen with positive Anterior Drawer Test

#Anterior #Cruciate #Ligament #ACL #Injury #Drawer #Test
Anterior Drawer Test ... Injury #Drawer #Test ... clinical #video #msk
Mixing Study
 • Clotting tests can be abnormal due to either a clotting factor deficiency, or
Study • Clotting tests ... • Clotting tests ... order for the test ... ) • Clotting test ... diagnosis #hematology #pathophysiology
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
– screening): proportion ... confirmatory): proportion ... PPV: proportion ... NPV: proportion ... Attributable risk: proportion
Normal (Negative) Lachman Test for ACL Injury

Andrew Dold, MD @dr.dold.md

#Lachmans #test #ACL #Knee #Injury #Normal #Negative
Negative) Lachman Test ... #Lachmans #test ... cruciate #ligament #msk