55 results
Froment’s Test for Ulnar Nerve Palsy

This tests for pinch grip weakness caused by ulnar nerve palsy,
Froment’s Test for ... Palsy This tests ... grip weakness caused ... to grip a flat object ... #physicalexam #msk
Rotator Cuff Syndrome - SITS
Supraspinatus, Infraspinatus, Teres minor, and Subscapularis.
Causes: Calcific supraspinatus tendinitis 
Signs: painful abduction
Causes: Calcific ... arm, empty can test ... diagnosis #sports #MSK
Positive Lachman test in ACL Injury

Here is an exam of a patient under anesthesia with an
Positive Lachman test ... That causes the ... #Lachmans #test ... cruciate #ligament #msk
Cold Urticaria
Prevalence - 0.05% in the population
Disease onset - Mostly 2nd to 4th decades of life
Causes
decades of life Causes ... with cold air, objects ... vertigo Diagnostic tests ... - Ice cube test ... , TempTest test
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
Proves cause-effect ... disease who test ... then all negative tests ... then all positive tests ... Type I (α) error: reject
Sensitivity is the proportion of truly diseased persons in the screened population who are identified as
the screening test ... correctly diagnose a case ... that any given case ... the screening test ... it has a narrow focus
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
Optic nerve* (main cause ... neuritis due to MS ... How to test it? ... Swinging flashlight test ... swinging light test
Scapholunate Ligament Rupture on POCUS

MSK Ultrasound of the scapholunate ligament. Dynamic exam of Scapholunate ligament rupture.
Ligament Rupture on POCUS ... MSK Ultrasound ... rupture. - squeeze test ... replace the clinical tests ... #pocus
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Exam: • Hearing tests ... whispered voice test ... 512 Hz) Weber Test ... cause unknown) ... Noise trauma ○ MS
Medications that Can Cause False Positives on Drug Tests

Urine drug screens (UDSs) are simple to use,
Medications that Can Cause ... Positives on Drug Tests ... results but are subject ... medications can cause ... positives on drug tests