It can identify a significantly elevated velocity in the proximal subclavian artery (i.e., >300 cm/s), as well as a change in its waveform ... triphasic appearance to a more biphasic or monophasic ...
MONOPHASIC For most of us ... the night and supplementing with three 20-minute naps throughout the day. ・Triphasic Sleep Schedule: Three short sleep periods between dusk and dawn with a four ...