BLACKWATER FEVER 



101 



Treatment. No drugs have any specific action. The 

 depth of colour of the urine passed early in the attack 

 enables a fairly accurate estimate of the duration of the 



FIG. 33. Diagrammatic representation of a renal tubule. (A) Normal. 

 (B) Commencing deposit in hsemoglobinuria. (C) Sufficient deposit to be 

 washed on and cause obstruction of tubules in the pyramid. (After J. O. 

 Wakelin Barratt and Warrington Yorke.) (From the "Annals of Tropical 

 Medicine and Hygiene," Liverpool University, by permission.) 



haemolysis to be made, and this is not shortened by 

 treatment with quinine or any other drug which may be 

 used. Though we cannot deal with the essential cause, 

 as this is unknown, much may be done to avoid the 



