LO12: Define mean arterial blood pressure and tissue perfusion.
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6 Terms
What is mean arterial blood pressure (MAP)?
The average pressure in the arteries during one cardiac cycle, important for ensuring blood flow to organs.
How is MAP calculated?
MAP ≈ Diastolic Pressure + 1/3 (Systolic Pressure − Diastolic Pressure).
What is tissue perfusion?
The process of delivering blood to body tissues to supply oxygen and nutrients and remove waste.
Why is MAP important for tissue perfusion?
Because it provides the driving force that pushes blood through the capillaries to tissues.
What can happen if MAP is too low?
Inadequate tissue perfusion leading to organ dysfunction.
What can happen if MAP is too high?
Damage to blood vessels and organs due to excessive pressure.
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