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
William Henry Richardson William Henry Richardson William Henry Richardson (December 5, 1808 – December 14, 1878) was an American physician and politician. Richardson, only son of Levi and Amelia (Trumbull) Richardson, was born in Chaplin, then a part of Mansfield, Conn., December 5, 1808. At an early age he moved with his parents to North Mansfield, Conn., where he resided much the greater part of his life. He pursued his medical studies, first with Dr. Archibald Welch of Mansfield, subsequently with Dr. Samuel B. Woodward of Wethersfield and Dr. Silas Fuller of Columbia, and at the medical school of Yale College, where he