On poisons in relation to medical jurisprudence and medicine . nly markedappearance, on inspection, was intense congestion of the brain. [Lancet,1872, vol. 2, p. 41.) The urine which is passed by a person laboring under the effects ofthis poison, will be found after a few hours to deposit a sediment inwhich the well-known octahedral crystals of oxalate of lime may beseen by the use of the microscope. (Fig. 8.)M. Tardieu recommends this as an aid todiagnosis. {Empoisonnement, 1867, p. 252.) Should the patient survive the first effectsof the poison, the following symptoms ap-pear: There is soren
On poisons in relation to medical jurisprudence and medicine . nly markedappearance, on inspection, was intense congestion of the brain. [Lancet,1872, vol. 2, p. 41.) The urine which is passed by a person laboring under the effects ofthis poison, will be found after a few hours to deposit a sediment inwhich the well-known octahedral crystals of oxalate of lime may beseen by the use of the microscope. (Fig. 8.)M. Tardieu recommends this as an aid todiagnosis. {Empoisonnement, 1867, p. 252.) Should the patient survive the first effectsof the poison, the following symptoms ap-pear: There is soreness of the mouth, con-striction and burning pain in the throat,with painful swallowing; tenderness in theabdomen, with irritability of the stomach,frequent vomiting, accompanied by purg-ing. The tongue is swollen, and there isgreat thirst. A patient may slowly re-cover from these symptoms, but he maydie many days afterwards from starvationas a result of the destructive action of thepoison on the oesophagus and stomach. In a protracted case of this 15 Fig. Deposit of oxalate of lime from the 226 CHROXIC POISOXIXG BY OXALIC ACID. kind, which occurred to Mr. Fraser, the following symptoms were ob-served : A gentleman by mistake swallowed half an ounce of oxalicacid dissolved. He felt immediate irritation in the throat aud swallowed some water, which was followed by vomiting. Whenseen soon afterwards, he complained of excruciating pain, and had vio-lent spasms. The tongue was swollen and covered with a thick whitecoat as if it had beeen scalded. There was difficult breathing, generalnumbness, with clammy moisture on the skin ; pulse scarcely percepti-ble; limbs cold and nails livid. The vomited matters were tingedwith blood, and a large quantity of blood was brought up. Therewere spasms, with painful numbness and great loss of strength. Thesymptoms of irritation abated, and he appeared to have recovered fromthe direct effects. On the fourteenth day after taking the p
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