Aminoacylase 1 deficiency
Dec. 28, 2023
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Occupational mercury tremor in fur factory worker (1)
Occupational mercury tremor in a 52-year-old woman who worked collecting the rabbit fur that had been removed from the skins by machinery previously treated with preparations of mercury. Case of English surgeon John Fawcett (1866-1944).
(A) Right arm resting quietly. Six tremors per second, of much greater amplitude and regularity than a normal voluntary tremor, which was only four per second.
(B) Voluntary pressure of finger on tambour. Seven tremors per second. Amplitude about seven times as great as A. (E) Normal voluntary tremor.
(Source: Taylor JG. Chronic poisoning, with special reference to the danger in hatters' furriers' manufactories. Guy;s Hospital Reports 1901;55[40, 3rd series]:171-90. Public domain.)