Henry Heimlich year of age, as does the National Safety Council. The 2005 choking-rescue guidelines published by the American Heart Association called the procedure "abdominal thrusts". The new guidelines stated that chest thrusts and back blows may also deal with choking effectively. In spring 2006, the American Red Cross "downgraded" the use of the Heimlich maneuver, essentially returning to the pre-1986 guidelines. For conscious victims, the new guidelines (nicknamed "the five and five"), recommend first applying five backblows; if this method fails to remove the airway obstruction, rescuers will then apply five abdominal thrusts. For unconscious victims, the new guidelines recommend chest
Jay McLean Jay McLean Jay McLean (1890 – November 14, 1957) was an American physician. He is most notable for his major contribution to the discovery of heparin. Born in San Francisco in 1890, he was the son of a physician, John T. McLean. Following education at Lowell High School, he entered the University of California at Berkeley in 1909, obtaining his Bachelor of Science degree in 1914. McLean entered Johns Hopkins School of Medicine in 1915 where he met and began work with physiologist William Henry Howell. In 1916, when McLean was a second-year medical student, he was investigating pro-coagulant compounds