93 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Carpal Tunnel Syndrome ... regimental badge" anesthesia ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... dislocation • ED Management ... #Dissociation #TerryThomas ... Radiology #XRay #Diagnosis ... #Management #Orthopedics
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity ... saddle (perineal) anesthesia ... Commonly caused ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory
Peri-operative Hyperthermia - Guidelines for Crises in Anaesthesia
If prolonged or ≥ 39 C this is a
maintained fever CAUSES ... Phaeochromocytoma Neurologic ... #Differential #Causes ... #Checklist #Diagnosis ... #Management #Workup
Causes of Peripheral Weakness with Sensory Changes - Differential Diagnosis Algorithm
Radiculopathy:
 • Disc
 • Spondylosis
 •
Causes of Peripheral ... - Differential Diagnosis ... Compression: • Carpal ... Weakness #Sensory #Neurology ... #Algorithm #Causes
Diagnostic Algorithm for Dizziness and Vertigo
Peripheral Vertigo:
 • Attacks: Sudden, severe, can last anywhere from seconds
Diagnostic Algorithm ... with vascular causes ... positional episodes caused ... #differential #diagnosis ... #neurology
Hypotension - Guidelines for Crises in Anaesthesia

Hypotension is commonly due to unnecessarily deep anaesthesia, the autonomic
team. ❼ Consider causes ... o Endocrine cause ... Anesthesiology #Anesthesia ... Intraoperative #Checklist #Diagnosis ... #Management #Workup
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... • Sciatica • Tarsal ... cyanosis - Cool extremity ... #differential #diagnosis ... #lower #extremity
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
• S - Saddle anesthesia ... - Emergency Causes ... Differential Diagnosis ... #differential #diagnosis ... #causes #neurology
High Central Neuraxial Block - Guidelines for Crises in Anaesthesia
• Can occur with deliberate or accidental
in Anaesthesia ... Consider other causes ... Anesthesiology #Anesthesia ... Intraoperative #Checklist #Diagnosis ... #Management #Workup