![]() ![]() If the diastolic pressure is too low, the heart will not get the amount of blood and oxygen it needs. ![]() When the heart rests in between beats, the coronary arteries receive and supply the heart with oxygen-rich blood. Low diastolic blood pressure, or isolated diastolic blood pressure, is when the diastolic blood pressure falls below 60 mm Hg, while the systolic blood pressure remains at a normal level. Low blood pressure, or hypotension, is blood pressure that is below 90/60 mm Hg. In most adults, a healthy reading is usually less than 120/80 mm Hg. A doctor will assess a person’s blood pressure by considering both numbers. It measures how much pressure the blood applies to the artery walls when the heart beats.ĭiastolic blood pressure: This is the lower number, which shows the pressure that the blood applies to the artery walls when the heart rests between beats.Ī blood pressure reading will show the systolic blood pressure number first, and diastolic blood pressure second. ![]() Systolic blood pressure: This is the top number, and is the higher of the two. Share on Pinterest A person with low diastolic blood pressure may experience lightheadedness and confusion.īlood pressure readings use two numbers recorded in millimeters of mercury (mm Hg). ![]()
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January 2023
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