Reading your monitor · Canada
What SYS, DIA and PUL mean on a blood pressure monitor
SYS and DIA are the two blood pressure readings. PUL is the pulse rate. The labels and units tell you which numbers to copy into your log.
Read the labels and units
| Label | Example value | Meaning |
|---|---|---|
| SYS | 118 mmHg | Systolic pressure, when the heart contracts |
| DIA | 76 mmHg | Diastolic pressure, between beats as the heart relaxes |
| PUL or Pulse | 68 bpm | Pulse rate, measured in beats per minute |
Write the example as 118/76 mmHg and pulse 68 bpm. These figures show the notation. Your healthcare provider can explain what your own readings mean.
Recognise memory and other symbols
Wait for the measurement to finish and read the final screen. Check your monitor manual for the placement of the labels and the meaning of icons. Some screens briefly show the stored reading number in the pulse area when you open the memory.
If the monitor flags arm movement or a cuff problem, check your position and the manual before repeating. If an irregular heartbeat symbol keeps appearing, record it with the reading and show your healthcare provider.
Record the reading with the date and time
Copy both pressure values and add the pulse in a separate column. If you are comparing morning and evening readings, keep the time and any notes next to each result. This keeps the series easy to interpret when you share it.
Use the schedule your healthcare provider gave you. Blood pressure can vary during the day, so bring the record of readings and ask how to interpret changes.
Compare upper-arm blood pressure monitors in Canada