9 results
Posterior Ankle Impingement (Os Trigonum) Syndrome - MSK Radiology
Imaging Findings:
 • Os trigonum which has marrow
(Os Trigonum) Syndrome ... - MSK Radiology ... hallucis longus Differential ... flexion but no symptoms ... #msk
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Cauda Equina Syndrome ... damage to sacral nerves ... suspected, immediate MRI ... #MSK #pathophysiology ... #diagnosis #symptoms
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
posterior interosseous nerve ... ), compartment syndrome ... • If stable ... Radiology #XRay #Diagnosis ... #Proximal #MSK
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
conjunction with symptoms ... neuropathy (LHON) plus MRI ... consistent with MS ... noninflammatory #differential ... #diagnosis
Shock - Differential Diagnosis Framework
MAP = CO x SVR
Hypovolemic (↓ Intravascular volume):
 • Hemorrhage, dehydration due
Shock - Differential ... failure, acute MI ... anaphylaxis, release syndrome ... #Diagnosis #table ... #comparison #criticalcare
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
compression of nerve ... spine L1-L5 Symptoms ... Diagnosis: • ... Imaging studies: • MRI ... #differential #
Hypertrophic Pachymeningitis - Differential Diagnosis Framework

Pachymeningitis is a rare condition that causes areas of a layer
Diagnosis Framework ... cause different symptoms ... brain sagging syndrome ... type 4: distal nerve ... #diagnosis
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
bouts of HTN Diagnostic ... Bilateral signs and/or symptoms ... Transverse Myelitis Diagnosis ... brain and/or optic nerve ... management #neurology #differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... Presentation: Systemic Symptoms ... muscle weakness • Nerves ... • Progressive symptoms ... oligoclonal bands • MRI