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
Henry Dewar (physician) friend of the Newcastle physician John Clark, and Trotter's criticism of Clark has been given as one possible reason for the personal attacks included with the scientific and practical arguments Dewar gave. A scale or chemical slide rule mentioned by Thomas Charles Hope as "Dr. Dewar's" has been considered to be unpublished work of Henry Dewar. "An inquiry into the principles by which the importance of foreign commerce ought to be estimated" (1808) was an economic pamphlet. It was taken to be a comment on the Continental System, and a reply to William Spence. Spence's "Britain Independent of Commerce" (1807)