Abdominal thrusts and upwards". They argue that this may be easier to perform with less concern about injury to ribcage or upper abdominal organs. Self-administered abdominal thrusts by study participants produced similar pressures to those generated by first aiders. The highest pressures were produced by participants performing an abdominal thrust onto the back of a chair (115 cmHO). Abdominal thrusts Abdominal thrusts (also called the Heimlich maneuver or Heimlich manoeuvre, ) is a first aid procedure used to treat upper airway obstructions (or choking) by foreign objects. The term Heimlich maneuver is named after Dr. Henry Heimlich, who first described it in
John Clarkson Jay John Clarkson Jay John Clarkson Jay (September 11, 1808 – November 15, 1891) was an American physician and notable conchologist. He was the grandson of Founding Father John Jay. Jay was born on September 11, 1808 in New York City. He was the eldest of eight children born to Peter Augustus Jay (1776–1843), the Recorder of New York City, and Mary Rutherfurd (née Clarkson) Jay (1786–1838). His siblings included Mary Rutherfurd Jay, who married Frederick Prime; Sarah Jay, who married William Dawson; Catherine Helena Jay, who married Dr. Henry Augustus DuBois; Anna Maria Jay, who married Henry Evelyn Pierrepont; among