![One You Westminster on Twitter: "Do you know what your numbers mean? Your systolic pressure (the top number) is when your heart pushes blood out and your diastolic pressure (the bottom number) One You Westminster on Twitter: "Do you know what your numbers mean? Your systolic pressure (the top number) is when your heart pushes blood out and your diastolic pressure (the bottom number)](https://pbs.twimg.com/media/E-wJ_4AXIAIr6yx.png)
One You Westminster on Twitter: "Do you know what your numbers mean? Your systolic pressure (the top number) is when your heart pushes blood out and your diastolic pressure (the bottom number)
Everyday Health - Systolic pressure is the top or first number in your blood pressure reading; it indicates the pressure within your arteries when your heart pumps out blood. Diastolic pressure is
Ely Drugs Medical Supply - Do you often wonder what your blood pressure numbers mean? Doctors call them systolic (the top number) and diastolic (the bottom number) blood pressure. Knowing both is
![Simple blood pressure chart showing systolic (top) and diastolic (bottom) reading - Blood Pressure Monitoring Simple blood pressure chart showing systolic (top) and diastolic (bottom) reading - Blood Pressure Monitoring](https://blood-pressure-monitoring.org/wp-content/uploads/2016/09/simple-blood-pressure-chart-300x217.png)
Simple blood pressure chart showing systolic (top) and diastolic (bottom) reading - Blood Pressure Monitoring
![American Heart Association on Twitter: "About 21% of U.S. adults – about 53 million people – have blood pressure that's considered a little too high. This is measured by a top number ( American Heart Association on Twitter: "About 21% of U.S. adults – about 53 million people – have blood pressure that's considered a little too high. This is measured by a top number (](https://pbs.twimg.com/media/E25eD0wXMAIg7Ri.jpg)