hypertension

Hypertension is a cardiovascular syndrome with elevated systemic arterial pressure as the main clinical manifestation. Without antihypertensive drugs, it is measured 3 times on the same day without systolic blood pressure ≥140mmHg and / or diastolic blood pressure ≥90mmHg. He was diagnosed with hypertension. Hypertension is the most common chronic disease and the most important risk factor for cardiovascular and cerebrovascular diseases. Its major complications, such as stroke, myocardial infarction, heart failure, and chronic kidney disease, are not only disabling, but also have a high mortality rate. Hypertension generally refers to essential hypertension. Essential hypertension accounts for more than 90% of hypertension. The cause of hypertension is not yet clear. The cause and pathogenesis of each individual are different, and the individual differences are large.