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January 26, 1970

Thermography Following a Carotid Transient Ischemic Episode

Author Affiliations

From the Department of Neurology, St. Paul-Ramsey Hospital, and the University of Minnesota, St. Paul.

JAMA. 1970;211(4):656-657. doi:10.1001/jama.1970.03170040060016

A patient with a facial thermogram indicative of poor circulation in the carotid tree had normal appearing extracranial arteries at the time of angiography. Retinal arterial microemboli were present, suggesting that microembolic episodes may have been responsible for the positive thermogram and for certain "false-positive" thermograms in prior reports.