Doppler sonography diagnosis of cerebrovascular disease.

@article{Katz1976DopplerSD,
  title={Doppler sonography diagnosis of cerebrovascular disease.},
  author={Dr. Mitchell H. Katz and Richard Smith and Shirley M. Otis and D J Dalessio},
  journal={Stroke},
  year={1976},
  volume={7 5},
  pages={439-44}
}
Sonographic patterns for the Doppler ophthalmic test (DOT) were determined by reviewing the type of graphic record obtained from 25 patients who had undergone angiography. Three principal patterns were identified, depending upon whether there was augmentation (Type 1), diminution (Type 2) or no change (Type 3) in the character of the supraorbital Doppler signal upon temporal artery compression. Type 1 records were seen in 28 of 33 instances where the carotid arteries remained patent. Type 2… CONTINUE READING