Serratus Anterior Plane Block

Plane block:

• Performed between the serratus anterior and latissimus dorsi muscles in the axilla
• Targets multiple nerves including:
  • Intercostobrachialis
  • Lateral cutaneous branches of intercostal nerves T3-9
  • Long thoracic nerve
  • Thoracodorsal nerve

Indications

Contraindications

Anatomy

Equipment

Technique

Position:

Probe:

• Place in a sagittal plane over the clavicle
• Translate caudally and laterally until you are at the 5^th rib
• Tilt posteriorly to identify latissimus dorsi
• Serratus will be visible deep to latissimus dorsi, above the ribs
• Translate the probe posteriorly to identify the plane between latissimus dorsi and serratus

Complications

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References