Low pressure of 90mmHg is higher than the normal blood pressure value, which has reached the level of grade 1 hypertension, and should go to the cardiovascular medicine department in time to improve the examination, and according to the situation to be treated accordingly.
Normal blood pressure value is not more than 120mmHg for high pressure and 80mmHg for low pressure, and high pressure of 120~139mmHg or low pressure of 80~89mmHg belongs to normal high value. The diagnosis of hypertension requires 3 measurements on a non-same day of systolic blood pressure ≥ 140mmHg or diastolic blood pressure ≥ 90mmHg. Therefore, a low pressure of 90mmHg has reached the level of grade 1 hypertension.
Low blood pressure of 90mmHg should go to cardiovascular internal medicine department in time to improve the examination, if there is no damage to the target organs of the heart, brain, kidney and other comorbidities, you can firstly improve the lifestyle to lower blood pressure, such as low-salt diet, quit smoking and drinking, etc.; if the control is not good or there is already damage to the target organs of the heart, brain, kidney and other comorbidities, then it is necessary to use medication under the guidance of the doctor.