Cervical Plexus

Ultrasound transducer position to image the ansa cervicalis and phrenic nerve transverse view

Ultrasound image of the ansa cervicalis and phrenic nerve transverse view

Ultrasound image of the labeled ansa cervicalis and phrenic nerve transverse view

Key:
ASM – Anterior Scalene Muscle
CA – Carotid Artery
IJV – Internal Jugular Vein
SCM – Splenius Capitis Muscle