88 results
Marcus Gunn Pupil - Relative Afferent Pupillary Defect (RAPD)
Definition: Afferent loop of the pupillary light reflex
Definition: Afferent loop ... 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
Internal Jugular Vein Rouleaux Flow on POCUS

Amazing video of a dilated IJV showing Rouleaux flow. Whenever
Rouleaux Flow on POCUS ... significantly, it causes ... Always look for ... underlying cause ... Jugular #IJ #Vein #POCUS
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
Newer Syphilis Reverse Algorithm 

The advent of newer, faster 
treponemal antibody tests have 
allowed high-throughput of
treponemal antibody tests ... specific trep. tests ... RPR) Non-trep tests ... look for patient ... of inflammation caused
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
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
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
AKI) What to ask ... /look for: - ... rhabdo/TLS) Causes ... Diagnosis #Algorithm #Causes
USMLE Epidemiology and Biostatistics Summary
Meta-Analysis: pools data from several studies (greater power), limited by quality/bias of
disease who test ... then all negative tests ... without disease who test ... then all positive tests ... alters recall Late-look
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