The top number is the pressure when the heart pumps blood.

The top number refers to the distance you stand from the chart.

The top number is the systolic blood pressure reading.

The top number (systolic) shows the pressure when your heart beats.

Now, the top number, or systolic pressure, will be included if it is 140 or higher.

So we know the top number's gotta be two.

It is the top number of the reading.

We start from the top number in the last column of the selected row:

"We change this top number, here, every month or two."

The other way is that all 110 or so vote - 120 is the top number.