Bicoronal skin incision for bifrontal craniotomy.
Reverse question mark incision.
The entrainment of air typically occurs during bone work, but Spence et al. describe a case in which a venous air embolism (VAE) was recognized while working on the scalp. Monitoring techniques are critical for early treatment of VAE to avoid more serious complications, and our case illustrates the need to implement monitors early and remain vigilant throughout the procedure 1).