Serratus Anterior Plane Block (simplified)

Understand the basic surface anatomy

Understand the Nervous Anatomy

Place the transducer in approximately the midaxillary line (marker facing the pectoralis)

Recognize the ultrasound anatomy

Pattern recognition

Open the fascial plane above the serratus muscle

Left image - note the rib fracture

Right image - deposition of anesthetic between the lat dorsi muscle and serratus