67A 56-year-old female is scheduled for a right total shoulder replacement in the beach chair position. Medicalhistory is significant for hypertension, diabetes, and a recent transient ischemic attack. The surgeon isrequesting a hypotensive technique to reduce intraoperative blood loss. Arterial line is indicated for bloodpressure control. Where is the most optimal location where blood pressure should be corrected
(A) The level of the heart as this is the classic way of measuring
(B) The level of the sternum to measure adequate perfusion to the brain
(C) Level of the external meatus to monitor brain stem perfusion
(D) Level of shoulder to measure adequate shoulder perfusionPage