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According to Favill and White1 only thirteen persons with the power to accelerate the heart beat were recorded in medical literature up to 1917. In only one instance were electrocardiographic studies made. Much discussion has been printed as to the mechanism of this acceleration, especially as to whether it is purely a removal of vagal influences or primarily an accelerator nerve action. The voluntary acceleration of the heart rate in the case reported by Favill and White began almost immediately after the subject had willed it to begin and one second after the command was given by the observer. The greatest acceleration recorded electrocardiographically in their case was 63 beats, from a rate of 98 to 161. Atropine in a dose of 2/1,000 grain subcutaneously increased the heart rate from 82 to 105 in half an hour. The patient was able to increase his heart rate at the height
VOLUNTARY ACCELERATION OF HEART. JAMA. 1948;136(1):42–44. doi:10.1001/jama.1948.02890180044010
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