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Fig. 7 | Critical Ultrasound Journal

Fig. 7

From: Point-of-care transcranial Doppler by intensivists

Fig. 7

Disadvantage to transcranial Doppler when interpreting MCA flows for patient with non-pulsatile flow states (i.e., V–A ECMO, LVAD). a Normal pulsatile flow: systolic upstroke with normal step-down of diastolic flow. b Non-pulsatile flow: Loss of sharp systolic peak flows, with overall lowering of means flows—which would make interpretation of pulsatility index for ICP as well as mean flows for vasospasm more difficult

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