52 results
Pivot-Shift Test in ACL-deficient Knee

This patient has pathologic varus alignment across the knee and a chronic
Pivot-Shift Test ... HTO) to correct his ... #Pivot #Shift #PivotShift ... #test #ACL #Knee ... Sports #Ortho #msk
Pace Maneuver for Piriformis Syndrome

With the patient's hips and needs flexed to 90 degrees, the patient
for Piriformis Syndrome ... The test is positive ... Pace #Maneuver #Test ... #Piriformis #Syndrome ... lumbar #sciatica #msk
Freiberg's Test for Piriformis Syndrome

Flex the hip to 90 degrees, internally rotate the hip.
Pain in the
for Piriformis Syndrome ... Flex the hip ... internally rotate the hip ... #Piriformis #syndrome ... #physicalexam #msk
Patterns of Diseases on MRI FLAIR - Differential Diagnosis
ADEM, Adreno-leukodystrophy, CADASIL, CNS, Lymphoma, High-Grade Glioma, HIV
on MRI FLAIR - Differential ... High-Grade Glioma, HIV ... Disease, Susac Syndrome ... Leukoencephalopathy, Vascular ... Diseases #MRI #Differential
Causes of Encephalopathy - Differential Diagnosis Algorithm
Hyperacute:
 - Primary Neurologic: Vascular (IS, ICH), Seizure, Migraine, Trauma
Encephalopathy - Differential ... paraneoplastic syndromes ... complications of HIV ... Infectious (syphilis, HIV-associated ... Encephalopathy #Differential
Vascular Joint Pain - Differential Diagnosis Algorithm 
 - Constant Pain (Ischemia)
 - Acute Onset
 -
Vascular Joint Pain ... - Differential ... Marfan's Syndrome ... #JointPain #MSK ... #Differential #
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... Ig A vasculitis/HSP ... Vasculopathy #Purpura #Differential
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
cord infarct • HIV ... lumbar stenosis • Vascular ... • Provocative Tests ... absent anal wink test ... #differential #
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
and diplopia) • Vascular ... pathognomonic laboratory tests ... Positive pathergy test ... is a skin prick test ... Behcet disease) Differential
Major neurocognitive disorders (MNCD): Diagnosis and workup 

1) Clinical diagnosis Cognitive impairment + loss of autonomy
2)
hydrocephalus, HIV ... ... laboratory tests ... Aphaso-apraxo-agnosia syndrome ... Frontal atrophy Vascular ... MNCD #Dementia #Differential