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January 1950

ABNORMALITY OF THE CAPILLARY NAIL BED

Author Affiliations

HABANA, CUBA; MONTREAL, CANADA

Arch NeurPsych. 1950;63(1):140-142. doi:10.1001/archneurpsyc.1950.02310190146013
Abstract

A case is reported of unilateral post-traumatic tremor with abnormal capillary forms in the nail beds of the fingers of the affected side only.

REPORT OF CASE  The patient, a miner aged 49, had an excellent record of work underground for twenty-two years. One year prior to admission, he sustained a blast injury to the right side of his head when he accidentally released a high pressure jet of air (100 pounds per square inch from a 2 inch pipe) a few inches from his right ear. He was blown a distance of 12 to 15 feet (3.6 to 4.5 meters) across a mine drift and landed unconscious on a pile of wet, soft "muck." The explosion of heavy charges of dynamite which he had just laid soon roused him, and he discovered that his nose was bleeding profusely and his clothes were covered with blood. He sought shelter from

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