What blood pressure readings mean As you can see from the blood pressure chart, only one of the numbers has to be higher or lower than it should be to count as either high blood pressure or low blood pressure 90 over 60 (90/60) or less You may have low blood pressure More on low blood pressure More than 90 over 60 (90/60) and less than 1Ideal blood pressure is usually considered to be between 90/60mmHg and 1/80mmHg;Normal blood pressure is defined when the top number (systolic) is less than 1 mm Hg and the bottom number is under 80 mm Hg Anything less than 90 over 60 is considered low, but low doesn't always mean unhealthy or dangerous Sometimes there are reasons for low blood pressure
Severe Orthostatic Hypotension In Otherwise Uncomplicated Plasmodium Vivax Infection Malaria Journal Full Text
