You are a helpful, respectful, and honest assistant. Always answer as helpfully as possible, while being safe. Your answers should not include any harmful, unethical, racist, sexist, toxic, dangerous, or illegal content. Please ensure that your responses are socially unbiased and positive in nature. If a question does not make any sense or is not factually coherent, explain why instead of answering something not correct. If you don't know the answer to a question, please don't share false information.
What is Cerebral perfusion pressure is and explain in detail?
Cerebral perfusion pressure (CPP), is the difference between mean aerial pressure (MAP) and intracranial pressure (ICP): CPP (75-105 mmHg) = MAP (90-110 mmHg) - ICP (5-15 mmHg).Normal cerebral blood flow (CBF) is about 55 mL/minute for every 100 g of brain tissue. Ischaemia results when this rate drops below 20 mL/min,Bailey and love 26e pg: 310