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THE EFFECTS OF MENTAL ARITHMETIC ON HAND BLOOD FLOW
Author(s) -
Ludbrook J,
Vincent Annette H
Publication year - 1974
Publication title -
australian journal of experimental biology and medical science
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.999
H-Index - 104
eISSN - 1440-1711
pISSN - 0004-945X
DOI - 10.1038/icb.1974.66
Subject(s) - mental arithmetic , blood flow , blood pressure , heart rate , vascular resistance , hemodynamics , cardiology , medicine
Summary The effects of mental arithmetic on heart rate, arterial blood pressure, hand blood flow and resistance to hand blood flow have been tested. Heart rate and mean arterial blood pressure always increased. In cool conditions, when resting hand blood flow was less than 4·9 ml/100 ml/min, mental arithmetic caused no change in resistance to hand blood flow. Under warm conditions, when resting hand blood flow was greater than 4·9 ml/100 ml/min, mental arithmetic caused a sustained rise in resistance to blood flow in the hand.

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