ETIOLOGY OF BERIBERI. 



341 



nipple line; the apex beat is rather diffuse; the point of maximum 

 impulse is 7 centimeters to the left of the median line; the first 

 sound at the apex is prolonged but there is no distinct murmur; 

 the sounds at the base are clear; the deep area of dulness does 

 not extend to the left outside of the nipple line, nor to the right 

 of the right edge of the sternum ; there is no tenderness of the 

 calves of the legs, and no oedema of the legs; the knee jerks are 

 present but are still weak. The examination of the urine shows 

 no albumin and no casts. 





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