Heart attack symptoms often occur for hours or days before the cardiac event. Learn more about possible symptoms.
One of the most dangerous aspects of hypertension is that you may not know that you have it. In fact, nearly one-third of people who have high blood pressure don't know it. The only way to know if your blood pressure is high is through regular checkups. This is especially important if you have a close relative who has high blood pressure.
If your blood pressure is extremely high, there may be certain symptoms to look out for, including: