Blood Pressure


Arterial Pressure Influences:

  1. Cardiac Output: essentially a result of the left ventricle pumping action. Affects systolic pressure.
  2. Elastic Recoil of the Aorta and Large Arteries:The force of blood pumped into the aorta and large arteries distends their elastic wall. Recoil of the vessel walls during diastole advances blood down the arterial tree and helps to maintain diastolic pressure. A competent aortic valve is also necessary to assure forward flow.
  3. Blood volume
  4. Blood Viscosity

Bates, Barbara. 1974. A Guide to Physical Examination. J.B. Lippincott Company, Toronto.


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