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
Henry Burton (physician) his discovery that a blue line on the gums, the eponymous Burton line, is a symptom of lead poisoning. Henry Burton married Mary Elizabeth, eldest daughter of William Poulton of Maidenhead, at St. George's, Bloomsbury, in 1826. She died in 1829, without issue, and Henry did not remarry. Henry lived at 41 Jermyn Street, London, and 58 Marina, St Leonards. Henry Burton (physician) Dr. Henry Burton (27 February 1799 – 10 August 1849) was an eminent British physician and chemist, who is famous for his identification of blue discolouration of the gums, the eponymous Burton line, as a symptom of