Figure 1
Contrast TCD during the Valsalva maneuver. The middle cerebral artery was identified with color Doppler. The passage of contrast into the right middle cerebral artery (MCA).
Figure 1 | Cardiovascular Ultrasound
Contrast TCD during the Valsalva maneuver. The middle cerebral artery was identified with color Doppler. The passage of contrast into the right middle cerebral artery (MCA).