Why can blood pressure be low? The reason is unknown

summary

Although hypotension is not a disease, it may be caused by other diseases, and it can make people dizzy, mental fatigue, inattention or faint, shock, and lead to other injuries. Doctors remind the public to really understand the causes of hypotension, and do a good job in health care or treatment, in order to avoid affecting daily life or complications.

Why can blood pressure be low? The reason is unknown

First, there are two types of hypotension: idiopathic hypotension and secondary hypotension. Medical studies have shown that 3% to 7% of hypotension patients belong to spontaneous hypotension, and their cardiac contractility and vascular resistance are normal, while secondary hypotension has obvious disease causes.

Second: when suffering from cardiac insufficiency, myocardial infarction, and aortic stenosis, it will affect the function of the heart to pump blood, reduce the amount of blood transported by the heart, and cause circulatory disorders and hypotension.

Third: telangiectasia, because bacteria or toxins invade the telangiectasia, the blood vessels lose their contractile function, leading to telangiectasia, decreased blood pressure and circulatory dysfunction hypotension.

matters needing attention

Patients with low blood pressure often feel dizzy and weak limbs, feel very tired all day, memory loss, Venus in the eye, headache, chest tightness, palpitation, middle-aged and elderly people may even have ischemic stroke or myocardial infarction. When some patients squat down and stand up again, they will be black in front of their eyes, pale, sweating and even fainting. This is called orthostatic hypotension, which is mainly caused by the rapid drop of blood pressure caused by sudden standing. This situation often occurs in patients with long-term weakness or the elderly, and may also occur in some patients taking western medicine such as hypotension or diuretics, if it is caused by some drugs We should stop taking the medicine or discuss with the doctor who prescribed the medicine how to avoid the recurrence of hypotension.