. Essentials of diagnosis. Arranged in the form of questions and answers prepared especially for students of medicine . ce clears ; if due tothe presence of albumin, it persists. A simpler test for the presence of albumin consists in over-laying a quantity of nitric acid in a test-tube with the white ring at the line of contact of the two fluids is indicativeof the presence of albumin. A faint ring of urates that formsabove the line of contact is dissipated by the application of heat. A saturated solution of picric acid used by the contact-methodin the same way as nitric acid, the urin
. Essentials of diagnosis. Arranged in the form of questions and answers prepared especially for students of medicine . ce clears ; if due tothe presence of albumin, it persists. A simpler test for the presence of albumin consists in over-laying a quantity of nitric acid in a test-tube with the white ring at the line of contact of the two fluids is indicativeof the presence of albumin. A faint ring of urates that formsabove the line of contact is dissipated by the application of heat. A saturated solution of picric acid used by the contact-methodin the same way as nitric acid, the urine, however, being over-laid by the acid, constitutes a most delicate test for the detec-tion of albumin in the urine, but it is equivocal, as it reacts withpeptones, urates and with the alkaloids. Heat, it is true, dissi- ALBUMINURIA. 251 pates the ring formed with these, but it may also cause a diftu-sion of the turbidity produced by albumin, so that the lattermay escape detection. What is the significance of the presence of tube-casts in theurine ?The i^resence in the urine of casts of the uriniferous tubules is. m Red blood-corpuscles and a blood-castof a uriniferous tubule. (Eichhorst.) Fig. 39.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectdiagnos, bookyear1892
