Figure 2
Figure 2. Representative continuous recordings of PETCO2 and CBF velocity (CBFV). (A) Healthy subject. (B) Sickle cell patient. In the patient, the increase in CBFV is less pronounced. Early leveling off for a comparable change in PETCO2 indicates a reduced cerebrovascular CO2 responsiveness.

Representative continuous recordings of PETCO2 and CBF velocity (CBFV). (A) Healthy subject. (B) Sickle cell patient. In the patient, the increase in CBFV is less pronounced. Early leveling off for a comparable change in PETCO2 indicates a reduced cerebrovascular CO2 responsiveness.

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