Trunk & thorax
PECS blocks
Pectoral and pectoserratus plane anatomy relevant to breast and chest wall analgesia.
Teaching video coming soon.
A dedicated lesson is planned for this reference. In the meantime, explore the anatomy and original poster below.
PECS blocks · Block GuRU teaching seriesStart with the anatomy.
Pectoral and pectoserratus plane anatomy relevant to breast and chest wall analgesia.

Reference panel from the original Trunk poster. View the full PDF for labels and context.
- Reference focus
- Pectoral and pectoserratus fascial planes
- Key anatomy
- Pectoralis major, pectoralis minor, serratus anterior, and ribs.
- Clinical context
- A component of analgesia for selected breast and chest wall procedures.
- Consideration
- PECS I and PECS II address different planes; neither should be advertised as universal surgical anesthesia.
An educational overview for trained healthcare professionals. Technique selection, contraindications, dosing, monitoring, and rescue planning require current clinical guidance and patient-specific assessment.