"The American Heart Association (AHA) recommends that the bladder width be 40% of the circumference of the limb or 20% wider than the limb diameter." Kirkendall WM, Feinleib M, Freis ED, Mark AL. Recommendations for human blood pressure determinations by sphygmomanometers. Subcommittee of the AHA Postgraduate Education Committee. Circulation. 1980; 62(5): 1146A–1155A To unsubscribe or search other topics on UVM Flownet link to: http://list.uvm.edu/archives/uvmflownet.html