These measurements were made upon persons at rest. Almost any form of exercise would have made the variations much greater. No account is taken of the psychic variations which for the physician are the most important to bear in mind. Neglect to take this variation into account will inevitably lead to false conclusions. THE AVERAGE DIURNAL BLOOD PRESSURE RECORD OF THE TEN SUBJECTS ==========+=======+=======+=======+=======+========+=======+=============== TIME |MAXIMUM|MINIMUM| MEAN | PULSE | PULSE |PP x PR| NOTES | | | | |PRESSURE| RATE | ----------+-------+-------+-------+-------+--------+-------+--------------- |_mm._Hg|_mm._Hg|_mm._Hg|_mm._Hg| | | 4:30 p.m. | 119.5 | 84.1 | 101.8 | 35.4 | 72.0 | 2549 | 5:00 p.m. | 117.7 | 83.5 | 100.6 | 34.2 | 71.1 | 2432 | 6:00 p.m. | 118.0 | 84.0 | 101.0 | 34.0 | 74.9 | 2547 |Before dinner 6:45 p.m. | 127.2 | 88.2 | 107.7 | 39.0 | 78.1 | 3046 |After dinner 7:00 p.m. | 124.7 | 87.7 | 106.2 | 37.0 | 76.0 | 2812 | 7:30 p.m. | 122.0 | 83.4 | 102.7 | 38.6 | 76.0 | 2934 | 8:00 p.m. | 122.4 | 85.5 | 103.4 | 36.9 | 71.2 | 2527 | 8:30 p.m. | 120.0 | 85.0 | 102.5 | 35.0 | 69.7 | 2439 | 9:00 p.m. | 120.5 | 84.7 | 102.5 | 35.8 | 65.2 | 2334 | 9:30 p.m. | 118.2 | 84.4 | 101.6 | 33.8 | 64.4 | 2177 | 7:30 a.m. | 118.4 | 87.6 | 103.0 | 30.8 | 70.3 | 2165 | 8:00 a.m. | 116.4 | 86.4 | 101.4 | 30.0 | 69.8 | 2094 Before breakfast 8:30 a.m. | 124.2 | 85.4 | 104.8 | 38.8 | 79.4 | 3081 |After breakfast 9:00 a.m. | 123.8 | 84.4 | 104.1 | 39.4 | 84.1 | 3313 | 10:00 a.m.| 118.2 | 83.6 | 100.9 | 34.6 | 70.7 | 2446 | 11:00 a.m.| 116.2 | 84.8 | 100.5 | 31.4 | 67.7 | 2126 | 12:00 m | 114.4 | 83.2 | 98.8 | 31.2 | 66.2 | 2065 |Before luncheon 12:30 p.m.| 122.8 | 83.2 | 103.0 | 39.6 | 70.9 | 2808 |After luncheon 1:00 p.m. | 122.3 | 82.0 | 102.1 | 40.3 | 79.7 | 3212 | 2:00 p.m. | 118.4 | 81.4 | 99.9 | 37.0 | 77.6 | 2871 | 3:00 p.m. | 118.8 | 82.6 | 100.7 | 36.2 | 75.1 | 2719 | 4:00 p.m. | 115.8 | 82.0 | 98.9 | 33.8 | 71.9 | 2420 | 5:00 p.m. | 117.2 | 83.4 | 100.3 | 33.8 | 69.6 | 2352 | 6:00 p.m. | 117.4 | 84.4 | 100.9 | 33.0 | 72.8 | 2402 |Before dinner 6:45 p.m. | 124.6 | 83.1 | 103.8 | 41.5 | 80.4 | 3337 |After dinner 7:00 p.m. | 125.2 | 84.2 | 104.7 | 41.0 | 76.1 | 3120 | 7:30 p.m. | 122.0 | 84.0 | 103.0 | 38.0 | 73.7 | 2801 | 8:00 p.m. | 119.6 | 85.0 | 102.3 | 34.6 | 72.3 | 2502 | 8:30 p.m. | 119.7 | 84.0 | 101.3 | 34.7 | 69.0 | 2394 | 9:00 p.m. | 120.0 | 86.2 | 103.1 | 33.8 | 68.0 | 2298 | +-------+-------+-------+-------+--------+-------+ Average | 120.0 | 85.0 | 102.5 | 35.0 | 72.0 | 2550 | ----------+-------+-------+-------+-------+--------+-------+--------------- (Taken from Weysse and Lutz.)