Vascular tone / vasodilation

這是什麼

Vascular tone is the constricted or relaxed state of blood vessels. Vasodilation widens vessels and lowers systemic vascular resistance.^[1,2]

為什麼重要

Changing vessel radius changes outlet resistance, so tone directly affects pressure and tissue blood flow.^[2,1]

發生異常的根本原因

• Core relation: When vessels constrict, the outlet narrows and resistance rises; when vessels dilate too much, resistance falls and pressure can drop.^[2,1]

它會影響哪些判斷

• It links autonomic reflexes, vascular resistance, blood pressure, temperature, stress, and medication context.^[1]

解讀陷阱

• BioConst does not infer personal vessel tone from a single blood-pressure reading.^[1]

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