Copy 1, Volume 1

The history of physick; from the time of Galen, to the beginning of the sixteenth century. Chiefly with regard to practice. In a discourse written to Doctor Mead / [John Freind].

John Freind

Date:: 1725-1726

Credit: The history of physick; from the time of Galen, to the beginning of the sixteenth century. Chiefly with regard to practice. In a discourse written to Doctor Mead / [John Freind]. Source: Wellcome Collection.

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[ Z66 ] manner. The Pulfe indeed in thefe vio¬ lent commotions, is not only unequal, as to time or ftrength, but frequently intermitting. For the heart meeting with a refiflance from the blood, either in the Pulmonary Artery or the Aorta, and be¬ ing not immediately able to overcome it, fufpends as it were its contraction, ’till it is reinforced with a fufficient (up- ply of Spirits to drive the blood on in the ufual channels. Therefore we may obferve, that in a fit of very ftrong pal¬ pitation, the diftance between the pul- fations is meater: and the longer the O'. o interval is, the more violent they are. This is the cafe in meat fulnefs of blood : hence Galen obfervcs, that upon this ve¬ ry account, thofe are mo ft fubject to Palpitations, in whom the Hcemmorrhoids or Menfes are fupprefs’d. This com¬ plaint likcwife may not only be owing to plenitude, but either to an exceftive rarefaction, or too great a coliefion and tenacity of the particles of the blood, or

The history of physick; from the time of Galen, to the beginning of the sixteenth century. Chiefly with regard to practice. In a discourse written to Doctor Mead / [John Freind].

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