75 results
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
Marcus Gunn Pupil - Relative ... Optic nerve* (main cause ... neuritis due to MS ... How to test it? ... swinging light test
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
Relative Afferent Pupillary Defect

This maneuver of intermittent light stimulus is called the alternating light test or
Relative Afferent ... alternating light test ... swinging-flashlight test ... sensitive diagnostic test ... regarding the cause
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
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Rheumatic Disease • Reactive ... Bowel Disease) • Reactive ... Acute Onset • Reactive ... Inflammatory #JointPain #MSK ... #Orthopedics #Causes
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
measured Cohort (relative ... Proves cause-effect ... = (ad) / (bc) Relative ... risk (cohort): relative ... but not on the causal
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 ... Froments #Sign #Test ... #physicalexam #msk
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Seronegative Reactive ... Poststreptococcal reactive ... Knee #Effusions #causes ... differential #diagnosis #msk
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
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