6 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... axillary nerve ... regimental badge" anesthesia ... UpperLimb #Extremity #Dermatomes ... #Myotomes #diagnosis
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Lower Extremity Dermatomes ... saddle (perineal) anesthesia ... Commonly caused ... damage to peroneal nerve ... #Myotomes #diagnosis
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... Spinal stenosis/nerve ... Paralysis 4) Paresthesia ... #differential #diagnosis ... lower #extremity #msk
Intraoperative Laryngospasm and Stridor - Guidelines for Crises in Anaesthesia

❶ Call for help and inform theatre
oxygen and face mask ... Consider other causes ... Anesthesiology #Anesthesia ... Intraoperative #Checklist ... #Diagnosis #Management
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 ... • S - Saddle anesthesia ... - Emergency Causes ... region (S2-S4 dermatomes ... #causes #neurology
Cauda Equina Syndrome
Causes:
 • Large lumbar degenerative disc herniation (central)
 • Severe lumbar spondylosis
 • Neoplasm
Equina Syndrome Causes ... Incontinence • Saddle Anesthesia ... damage to sacral nerves ... CaudaEquina #Syndrome #MSK ... pathophysiology #diagnosis