RT Journal Article SR Electronic T1 THE EFFECT OF ATROPIN ON THE PULSE RATE JF Journal of Pharmacology and Experimental Therapeutics JO J Pharmacol Exp Ther FD American Society for Pharmacology and Experimental Therapeutics SP 77 OP 79 VO 28 IS 1 A1 DANIEL NICHOLSON YR 1926 UL http://jpet.aspetjournals.org/content/28/1/77.abstract AB In a series of 62 normal medical students the injection of 1/33 grain of atropin caused an increase in pulse rate ranging from 5 to 89 with an average increase of 39.31 per minute in 61 of them. Only 2 showed an increase of pulse rate less than 15 following the injection, one showing a decrease in pulse rate of 12.