title: A simple method to facilitate difficult intraaortic balloon insertions.
mesh_terms: D000368:Aged; D001011:Aorta; D001161:Arteriosclerosis / Q000150:complications; D001243:Assisted Circulation; D002404:Catheterization; D005263:Femoral Artery / Q000601:surgery*; D006322:Heart Aneurysm / Q000150:complications / Q000601:surgery; D006333:Heart Failure / Q000150:complications / Q000628:therapy*; D006801:Humans; D008297:Male; D008722:Methods; D008875:Middle Aged; D012770:Shock, Cardiogenic / Q000150:complications / Q000628:therapy*