완전 짱,긴급용 pulsed wave-spectral and color aliasing-all waves not returned, raise the pulse rep freq as depth increases PRF decreases spectral- horizontal axis is time, vertical is the direction and velocity keep gate tight in artery, open it out in vein angle velocity scale doppler gain filtration Color set focus to at or just below the box 0 is best angle, anything 13 cm, ascites, hepatofugal flow in port.. 2013. 4. 6. 이전 1 2 3 4 ··· 13 다음