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How to measure blood pressure properly at home

A measurement depends as much on the monitor as on how you sit, when you measure and what you did before. These are the precautions recommended by the 2025 Argentine Consensus on Arterial Hypertension, signed by the SAC, the FAC and the SAHA.

Before measuring

The measurement starts half an hour earlier

What you did in the last few minutes ends up in the number too.

Half an hour without coffee or cigarettes

In the previous 30 minutes, do not drink coffee, smoke, eat or exercise.

3 to 5 minutes seated

Sit down and stay calm for a few minutes before the first reading.

A quiet place

A room without noise and at a comfortable temperature.

Source: Figure 2 of the 2025 Argentine Consensus on Arterial Hypertension, p. 9.

While measuring

The eight steps

Posture and the cuff, one by one. In the app you go over them with the same pictures before each measurement.

  1. A seated person who stays quiet while the monitor measures.

    Don't talk

    Not during the measurement, nor between one reading and the next.

  2. The arm resting on a table, at heart level.

    Your arm at heart level

    Resting on a table, palm facing down.

  3. The cuff placed directly on the skin of the arm.

    The cuff on your bare arm

    Directly on the skin, with no sleeve in between, at the level of the arm's main artery.

  4. A cuff of the right width for the arm.

    A cuff that fits

    Its width should be about 40 % of the circumference of your arm.

  5. Both feet resting on the floor.

    Feet flat on the floor

    Both of them, firmly planted.

  6. The legs uncrossed.

    Legs uncrossed

    Crossing them can raise your pressure.

  7. A bathroom: go before measuring.

    An empty bladder

    Go to the bathroom before measuring.

  8. The back resting against the back of the chair.

    Your back supported

    Against the back of the chair, without leaning forward.

Source: Figure 2 of the 2025 Argentine Consensus on Arterial Hypertension, p. 9. Illustrations by Vitalinfo.

How many times and when

A week of measurements says more than a single one

For your doctor to assess your blood pressure at home, the consensus proposes this schedule.

  • At least 3 days, and preferably 7.
  • Two readings in the morning and two in the evening, 1 to 2 minutes apart.
  • In the morning, before breakfast and before taking your blood pressure medication.
  • The average includes all of them, except those of the first day.

Source: Table 3 of the 2025 Argentine Consensus on Arterial Hypertension, p. 12.

A sample week: seven days, with two readings in the morning and two in the evening each day. Those of the first day do not count toward the average.

Each dot is a reading. Those of day 1, hollow, are taken all the same but are left out of the average.

With VitalinfoLog each reading with its time and create a period for that week: with the consensus, the report averages the period without its first day, as the guideline says. If your doctor would rather count it, it is turned off in Settings.

Which monitor

An upper-arm one, automatic and validated

It is the one the consensus recommends for measuring at home.

Source: 2025 Argentine Consensus on Arterial Hypertension, pp. 12 and 13.

  • Upper-arm and automatic, with a cuff of your size.
  • Validated: the list of validated devices is at stridebp.org.
  • Wrist and finger monitors are not the recommended ones.
  • Watches and phones without a cuff are not suitable for assessing blood pressure.

Log your measurements in Vitalinfo

Free, on your phone, with these steps at hand and a report ready for your doctor.