The Doctor Who Mapped a Cholera Outbreak Also Kept a Daily Log of Every Anaesthetic He Administered
John Snow administered chloroform or ether to approximately 4,000 surgical patients between 1847 and his death in 1858, including Queen Victoria. He kept a detailed daily logbook of every case — patient name, operation, dose, response, complications. The logbook survives. It is the most complete primary record of mid-19th-century clinical anaesthesia practice anywhere.
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