170 QUARTERLY JOURNAL OF MEDICINE 



Table II. 



Cases with a lai-ge systolic fall (Cases 1, 7, 10, 21, especially) showed 

 the biggest percentage increase in the urea concentration. 



6. Relation of the height of the systolic blood-pressure to the blood urea content. 

 No definite relationship is observable between the amount of urea in the blood 

 and the height of the blood-pressure. 



Table III. 



Relation of Changes in Urine Volume to Pulse-pressure Changes. 



Change in Vol. of Urine in c.c. 

 (3-hourly interval after 15 grm. urea.) 



-230 



-60 



-98 

 -140 

 -160 



+ 20 

 -140 



-25 

 -5 



-10 

 -355 

 + 240 



+ 45 

 -101 



+ 10 

 + 1 



-23 

 + 1 



+ 36 

 -105 

 -147 



Cases 7 and 18 showed apparently some increase in the urea concentration, 

 total urea, and volume of urine, while the blood-pressure was not lowered. 

 The cases showing the greatest decrease in pulse-pressure tended to exhibit 

 the greatest decrease in the volume of the urine. 



