11 results
Dermatomes and Myotomal Maps - Netter #Anatomy #Neuro #Netter #Dermatomes #Myotomal #Maps #ALiEM
Dermatomes and Myotomal ... Netter #Dermatomes #Myotomal
Achalasia Management Algorithm
 - Botulinum Injection
 - Pharmacotherapy (CCB/nitrates)
 - Pneumatic Dilation
 - Peroral Endoscopic Myotomy
Peroral Endoscopic Myotomy ... Laparoscopic Heller's Myotomy
Myotomes of the Spinal Cord
Each segmental nerve root innervates more than one muscle. For simplicity, certain
Myotomes of the ... #Myotomes #SpinalCord
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Dermatomes and Myotomes ... Extremity #Dermatomes #Myotomes
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Dermatomes and Myotomes ... Extremity #Dermatomes #Myotomes
Achalasia Management Options - Decision Aid
- Peroral endoscopic Myotomy (POEM)
- Laparoscopic Heller myotomy (LHM)
- Pneumatic Dilatation
Peroral endoscopic Myotomy ... Laparoscopic Heller myotomy
Achalasia on Endoscopy - Retroflexion View

53yo male referred for achalasia. Previous tx: transthoracic myotomy (80’s), then
transthoracic myotomy ... transabdo extension of myotomy
Achalasia on Endoscopy
53yo male referred for achalasia. Previous tx: transthoracic myotomy (80’s), then take down of
transthoracic myotomy ... transabdo extension of myotomy
Achalasia Summary

Epidemiology: 10 cases per 100,000 individuals

Defined by inadequate relaxation of the LES and aperistalsis
Primary or
Laparoscopic myotomy ... laparoscopic Heller myotomy ... peroral endoscopic myotomy
Achalasia Classification Types - Barium Contrast Esophagram:
1) Spindle type (classic)
2) Flask type 
3) Sigmoid type
Response to
achalasia and myotomy