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The Ultrasound Journal
Fig. 3 | The Ultrasound Journal

Fig. 3

From: Impaired cerebral autoregulation detected in early prevasospasm period is associated with unfavorable outcome after spontaneous subarachnoid hemorrhage: an observational prospective pilot study

Fig. 3

Examples of averaged transient responses of human cerebral blood flow autoregulation function in healthy volunteers (a) and SAH patients with favorable outcomes (b), severe disability with DCI (c) and fatal outcomes without DCI (d). The time moments at t = 0 show the peak of ABP drop (nadir) moments during the boot deflation cycle. The patients with later development of DCI are characterized by synchronous ABP and HR variation during the boot deflation phase (c)

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