| OCR Text |
Show 15 subjects they animal compared with invasive brachial were measurements. The as algorithm they first pressure sudden increase in the occurred overestimated arterial at animal the In dogs. systolic of the true the In coincided with pressure oscillation amplitude) of 0.82 cuff pressure systolic at mmHg, respectively. ratios for dogs respectively. then in average the dogs, at diastolic the algorithms have However, to were oscillation the ratios not constant. amplitude ratio Geddes been used pressure of 120 80 and and diastolic 0.77 and example in from fixed ratio the humans 0.86 from 0.62, in humans variable increased of to 55 to 0.75 as 115 mmHg. amplitude et al. in commercial blood pressure monitors. [29], the no theoretical study amplitude ratios and diastolic and systolic blood pressure values. a developed the maximum pressure were decreased they noted that there had been arterial that For amplitude amplitude ratio less were predicting the relationship between In systolic and that blood pressures same auscultatory diastolic According to corresponding systolic The Although they amplitude diastolic blood pressures and 0.55, 20% about to oscillation cuff pressure a oscillation a highest was they found that in humans diastolic of coincided with in both humans pressure asymptotically ratio the (i.e., ratio increase sudden overestimation the decreased deflation. cuff pressures. study, same systolic subjects, and low blood pressures during which the at They found that the cuff pressure and a was oscillations cuff pressure of amplitude systolic which there at cuff pressure the tested estimated slightly different approach, an amplitude ratio algorithm ratio of the Vachtsevanos based on systolic pulse amplitude et "the to the al. [30] hypothesis amplitude of |
