Pecs Block: 

A) Show the diffusion of local anesthetic in the right plane in the first injection, betwen pectoralis muscles
B) Perfect view of the second injection. Underneath the fascia located betwen pectoralis minor and serratus muscle.
C) Anatomy of the thorax review. Virtual reconstruction to understand all steps of the technique. Spanish Comments.
A) Pecs 1
Source: Echoanesthesiatoday
B) Pecs 2
Source: Echoanesthesiatoday
C) Interpectoralis Block
Source: Vicente Roqués