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TWO NEW METHODS OF READING THE ARTERIAL BLOOD‐PRESSURE IN MAN
Author(s) -
Oliver George
Publication year - 1911
Publication title -
quarterly journal of experimental physiology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.925
H-Index - 101
eISSN - 1469-445X
pISSN - 0370-2901
DOI - 10.1113/expphysiol.1911.sp000082
Subject(s) - blood pressure , medicine , mean arterial pressure , cardiology , computer science , heart rate
1. The auditory and visual methods of reading the arterial blood‐pressure here described are more delicate and exact than the digital method. 2. The auscultatory method furnishes the total pressure cycle of the arterial blood‐pressure, whereas the digital indicates the maximum limit only. 3. Besides notifying the arterial blood‐pressure, the auditory method furnishes useful clinical indications of the state of the heart's action (whether vigorous or otherwise) and of the tonus (hypotonus or hypertonus) of the arterial wall. 4. The visual method indicates two degrees of pressure, the maximum and the mean; and, as the latter is midway between the maximum and the minimum pressure, the minimum may be inferred from the visual data. 5. As the auditory and visual methods afford identical readings, the visual may be employed in conditions not favourable to the use of the auditory. 6. These methods (auditory and visual) are as easy to apply as the tactile.