| Abstract
| - Abstract. 1. 1. The technically simple procedure of the “Weltmann Coagulation Reaction” (W.C.R.) was employed by us in twenty-five cases of malaria. 2. 2. Nearly always in acute infections with high fever the Coagulation Band (C.B.) is shortened and the W.C.R. is shifted to the left. But although a malaria attack clinically produces all the features of an acute inflammatory process, the W.C.R. is shifted to the right (thirteen cases) or stays normal (ten cases). Very similar results were obtained by Tschilow 1931. 3. 3. The W.C.R. is an entirely unspecific protein-globulin reaction; but considering all above-mentioned facts, it gives in tropical countries a certain hint in the diagnosis of acute fevers. 4. 4. It is suggested that haemolysis may be responsible for the occurrence of the lengthened C.B. in malaria. 5. 5. The Weltmann test is particularly valuable in all haemolytic processes. It might prove to be of special help in blackwater fever. 6. 6. A repeated W.C.R. in the course of a disease can, like the sedimentation time, be of help in prognosis. Therefore interesting results might be obtained in other tropical diseases besides malaria.
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