High Low Blood Pressure Number
The causes of low blood pressure can range from dehydration to serious medical disorders.
High low blood pressure number. If your blood pressure reading shows a top number of 140 or more or a bottom number of 90 or more it s considered stage 2. Isolated systolic hypertension is the most common form of high blood pressure in people older than age 65. However there are certain conditions when only the diastolic blood pressure may be high or low. Unlike high blood pressure low blood pressure is defined primarily by signs and symptoms of low blood flow and not by a specific blood pressure number.
In a blood pressure reading the systolic number always comes first and then the diastolic number. For example your numbers may be 120 over 80 or written as 120 80. A blood pressure reading appears as two numbers. The definition of high blood pressure has gotten a revamp in recent years.
Younger people can have this type of high blood pressure too. Stage 2 high blood pressure indicates an even more serious condition. The first and higher of the two is a measure of systolic pressure or the pressure in the arteries when the heart beats and fills them with blood. The top number or systolic notes the pressure your blood makes against your artery.
Guidelines issued in 2017 by the american college of cardiology acc and other heart groups lowered the threshold for. Isolated systolic hypertension happens when your diastolic blood pressure is less than 80 millimeters of mercury mm hg and your systolic blood pressure is 130 mm hg or higher. A blood pressure reading lower than 90 millimeters of mercury mm hg for the top number systolic or 60 mm hg for the bottom number diastolic is generally considered low blood pressure. Some individuals routinely may have blood pressure numbers of 90 50 with no symptoms and therefore do not have low blood pressure.