Title | Creator | Description | Identifier | ||
---|---|---|---|---|---|
1 | Intermittent Downbeat Nystagmus Due to Vertebral Artery Compression | Rosengart, Axel; Hedges, Thomas R; Teal, Philip A; DeWitt, L Dana; Caplan, Louis R | A 64 year old man developed downbeat nystagmus whenever he rotated his neck to the left. Cerebral angiography demonstrated a hypoplastic right vertebral artery. Selective injection of the left vertebral showed normal flow with the head in neutral position or turned to the right, but severe narrowing... | 19920225_nanos_posters_10 |