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Simultaneous records of the pulse waves were obtained from the right common carotid artery and the right femoral artery by means of piezo-electric microphones in 26 per= sons whore ages ranged from 15 to 92 years. The time difference between the foot points of the waves from them two sites was termed Tar.A significant correlation was found between ToS and age, be= tween TOP and the systolic blood pressure and between Top and As described by Miller and White (1) and Geddes and Hoff (2), the pulse wave can be recorded by means of piezo-electric microphones placed externally above the artery. If T is the time difference between the foot points of two pulse waves recorded a t varying distances from the heart and D the length of the segment, the pulse wave velocity = D/T.

A prospective epidemiological study was carried out from 1981 to 1983 to determine the incidence of peptic ulcer on the Faroe Islands. The annual incidence of first-time-diagnosed peptic ulcer was on the average 3.3 per 1000 inhabitants aged 15 years and older. No significant changes in incidence were observed during the 3-year period. The male to female ratio of peptic ulcer was 2.1:1. The annual incidences of duodenal and gastric ulcer were 2.3 per 1000 and 1.0 per 1000, respectively. The duodenal to gastric ulcer ratio was approximately 2:1 in both male and female patients. The incidence of peptic ulcer observed in the Faroe Islands is very high compared with other countries. The incidence of duodenal ulcer is of the same high magnitude as observed in Scotland, whereas the incidence of gastric ulcer is twice as high as generally found in Western countries and in accordance with the rates found in Arctic areas.