ETIOLOGY OF BERIBERI. 



329 



90 millimeters Hg. On the ninetieth day the note was made that 

 he states that he feels well. The knee jerks are active. By the 

 ninety-fifth day he had gained 0.6 kilogram (1.5 pounds) in 

 weight. On the ninety-seventh day, as already mentioned, it 

 became necessary to add codfish and potatoes to the diet. On the 

 ninety-eighth day at noon he complained of pain and tenderness 

 in the calves of the legs and of disturbance of vision. The pulse 

 was 92. On the ninety-ninth day the note was made: Point of 

 maximum impulse invisible; palpable in the same position as on 

 the thirtieth day. No pulsation over cardiac area. Slight visible 

 epigastric pulsation. There is a very faint systolic murmur at 





DAYS OF DIET 

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the apex, which is not transmitted to the base. The second pul- 

 monic sound is slightly accentuated. He states that his feet feel 

 heavy, as though he could not lift them easily, and complains of 

 pain in the calves of the legs and in his eyes. The calves are 

 tender on pressure. There is very slight prsetibial pitting. The 

 knee jerks are present. On the one hundredth day the pulse was 

 rather weak. The calves remained tender. On the one hundred 

 first day the pulse was 100; the patient complained of head- 

 ache, and marked oedema of the lower legs had developed. The 

 knee jerks were active. The patient remained in about the same 

 condition during the next few days. On the one hundred 

 sixth day it was noted that the knee jerks were active and there 



