What S Low Blood Pressure Numbers

If your blood pressure is 120 80 millimeters of mercury mm hg or lower it.

What s low blood pressure numbers. 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. Unlike high blood pressure doctors. We ll tell you why. Your doctor may say you have low blood pressure when your numbers are lower than 90 over 60.

The medical term is hypotension but it isn t always a problem. If the top number is 90 or less regardless of the botton number this may be low blood pressure. If the bottom number is 60 or less regardless of the top number. For example your numbers may be 120 over 80 or written as 120 80.

The causes of low blood pressure can range from dehydration to serious medical disorders. 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. Diastolic pressure is the bottom number showing the pressure in your arteries while your heart is filling with blood. Low diastolic blood pressure is when the lower number in your blood pressure reading falls below 60 mm hg.

A low blood pressure reading is having a level that is 90 60mmhg or lower. A blood pressure reading appears as two numbers. In a blood pressure reading the systolic number always comes first and then the diastolic number. Researchers are starting to give this condition more attention.

When your systolic pressure is between 120 and 129 mm hg and your diastolic pressure is less than 80. Only one of the numbers has to be lower than it should be to count as low blood pressure.