Blood pressure is measured in two numbers: systolic and diastolic. The top number is the systolic blood pressure, which measures the pressure caused by the heart contracting and squeezing out blood.

All values must be entered in order to calculate percentiles for Blood Pressure and Height. A percentile shows the relative position of the child's measurement (such as Blood Pressure or Height) among ...

Novosund has created an ultrasound sensor that allows real-time blood pressure sensing without any cuff hassles. It is ready for smartwatches, and even rings.

government officials issued revised blood pressure guidelines that included a new category: prehypertension. Anyone with a systolic (top number) reading of 120 or over, or a diastolic (bottom ...

The diastolic number is the pressure in blood vessels between beats, when the heart is at rest. The graphs on this page have been updated to reflect the most recent guidelines from the American ...