Diastolic blood pressure 40~50mmHg is low blood pressure, low blood pressure can be primary or secondary, if it is primary, generally there is no danger, it can be observed; secondary can be secondary to heart valve disease, infarction, consumptive diseases, etc., it is dangerous, it should be treated in time.
Primary hypotension: its cause is unknown, mostly seen in women, most of them have no self-conscious symptoms and there is no abnormality in the heart vessels, so it can be observed in general. However, such patients may have symptoms such as easy fatigue, dizziness, etc., which should be paid attention to in life.
Secondary hypotension: It can be secondary to aortic valve stenosis, myocardial infarction, malnutrition, tumor and other chronic wasting diseases, mucous edema and other diseases; shock caused by massive blood loss, infection and other shock can also cause hypotension. Hypotension in this part of the patient can lead to adverse consequences, and should be timely etiologic treatment, supplemental nutrition, and maintenance of water-electrolyte balance.
If the patient’s low blood pressure is 40~50mmHg, the patient should go to the hospital in time to find out the cause of the disease, and if necessary, according to the doctor’s advice for treatment.