Keywords: Sphygmomanometer used by Korotkoff.jpg Riva-Rocci sphygmomanometer used by Korotkoff in his measurements from Korotkoff's dissertation The length of the cuff was approximately 1 2 arshin 35 56 cm and the width was at least 21 2 to 3 inches 6 35 to 7 62 cm Korotkoff NS Experiments for Determining the Strength of Arterial Collaterals Saint-Petersburg Russia Imperial Military Medical Academy; 1910 Dissertation via http //circ ahajournals org/cgi/content/full/94/2/116 2008 Korotkoff NS 1874-1920 PD-old PD-old Imperial Military Medical Academy St Petersburg Medical tests Nikolai Korotkov |