What indicators of blood pressure indicate hypotension and hypertension?

What indicators of blood pressure indicate hypotension and hypertension? What changes in the cardiovascular system can be associated with both indicators.

Hypotension – a persistent decrease in blood pressure (blood pressure) to marks lower than 20% of the usual value, or to marks 90/60 mm. Hg and below.
The diagnosis of “grade 1 hypertension” is made if the blood pressure indicators are kept at a level of 140/90 to 160/100 mm RT. Art. and higher.

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