摘要
Hypertension is a common cardiovascular disease with a group of symptoms and signs, mainly the increased blood pressure of the arteries. It may be primary or secondary. The former, accounting for 90%, refers to an independent disease
Hypertension is a common cardiovascular disease with a group of symptoms and signs, mainly the increased blood pressure of the arteries. It may be primary or secondary. The former, accounting for 90%, refers to an independent disease mainly manifested by increased blood pressure with the cause unknown.
