Cecil medicine Section viii Chapter 66 Arterial Hypertension Prof. Shen-Jiang Hu
1 Cecil Medicine Section VIII Chapter 66 Arterial Hypertension Prof. Shen-Jiang Hu
Question a How to measure the blood pressure
2 Question ◼ How to measure the blood pressure?
made by a cambridge Reverend, stephen Hales, in 1733. he measured blood pressure by inserting the end of a long glass tube into the carotid artery of a horse and noting that the blood came up the tube to a height of nine feet eight inches, which was the blood pressure of the horse
3 made by a Cambridge Reverend, Stephen Hales, in 1733. He measured blood pressure by inserting the end of a long glass tube into the carotid artery of a horse and noting that the blood came up the tube to a height of nine feet eight inches, which was the blood pressure of the horse
It took Riva-Rocci, together with a prussian general called Korotkoff, to develop the modern sphygmomanometer which was introduced into clinica practice in about 1905. The device that probably many of us still use today to measure blood pressure has changed very little from this early device. 4
4 It took Riva-Rocci, together with a Prussian general called Korotkoff, to develop the modern sphygmomanometer which was introduced into clinical practice in about 1905. The device that probably many of us still use today to measure blood pressure has changed very little from this early device
Blood pressure has a unimodal distribution in the population sS次 Prevalence of hypertension by different cut points 290:253% 295:145% 2100:84% 2105=47% 2110:29% 2115:14% 5060708090100o120130 D/ASTOL/C BL000 PRESSURE (mm Hg/ igure 1.8.Frequency distribution of diastolic blood pressure measured at hoo Program Cooperative Group. The Hyper- me screening (n=158, 906, aged 30 to 69 ears).(Reprinted with permission from Hypertension Detection and Follow ension Detection and Follow Up Program. A progress report. Circ Res 1977: 40(Suppl 1) 1106-1109.)
5 Blood Pressure has a unimodal distribution in the Population