Figure 74

Peripheral vascular resistance. Most established cases of hypertension are associated with an increase in peripheral vascular resistance [5]. These alterations may be related to a functional constriction, the type observed under the influence of circulating or tissue-generated vasoconstrictors, or may be a result of structural alterations in the blood vessel. Solid line indicates values at start of the study [9];

dashed line indicates results after 10 years; dotted line indicates results after 20 years. BP—blood pressure; CI—cardiac index; DAP—diastolic arterial blood pressure; HR—heart rate; MAP—mean arterial pressure; SAP—systolic arterial blood pressure; SI—stroke index; TPRI—total peripheral resistance index; VO2—oxygen consumption. (From Lund-Johansen [5]; with permission.)

Blood Pressure Health

Blood Pressure Health

Your heart pumps blood throughout your body using a network of tubing called arteries and capillaries which return the blood back to your heart via your veins. Blood pressure is the force of the blood pushing against the walls of your arteries as your heart beats.Learn more...

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