Henry Heimlich choking-rescue guidelines of the American Heart Association and of the American Red Cross taught rescuers to first perform a series of backblows to remove the FBAO (foreign body airway obstruction); if backblows failed, then rescuers learned to proceed with the Heimlich maneuver (aka "abdominal thrusts"). After a July 1985 American Heart Association conference, backblows were removed from choking-rescue guidelines. From 1986 to 2005, the published guidelines of the American Heart Association and the American Red Cross recommended only the Heimlich maneuver as the treatment for choking; the National Institutes of Health still does apply it for conscious persons over one
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