56 results
Causes of Secondary Hypertension - Differential Diagnosis and Screening Testing
Common causes: 
 • Renal parenchymal disease
Causes of Secondary ... Renal ultrasound, Tests ... sodium loading test ... saline infusion test ... , adrenal vein sampling
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
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
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 ... assignment of subjects Sampling ... but not on the causal
Arterial Lines & Waveforms
Arterial lines permit continuous invasive blood pressure measurement, frequent arterial blood sampling, and
arterial blood sampling ... SQUARE WAVE TEST ... intrathoracic pressure and causes
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
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
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
Bunnel-Littler PIP Joint Test on Physical Exam
For intrinsic vs joint capsule cause of restriction or tightness
Bunnel-Littler PIP Joint Test ... joint capsule cause ... BunnelLittler #Test ... clinical #video #msk