Air embolism and central venous lines.
D000368:Aged; D002404:Catheterization / Q000009:adverse effects*; D004618:Embolism, Air / Q000209:etiology*; D005260:Female; D006331:Heart Diseases / Q000209:etiology; D006352:Heart Ventricles; D006801:Humans; D011183:Postoperative Complications; D013350:Subclavian Vein