Atrial catheter and lumbar disk surgery.
D006328:Cardiac Catheterization; D004618:Embolism, Air / Q000517:prevention & control*; D006325:Heart Atria; D006801:Humans; D007403:Intervertebral Disc / Q000601:surgery*; D008161:Lumbosacral Region / Q000601:surgery*; D011187:Posture