Questions over home BP monitors

Automated blood pressure monitors marketed for home use may have errors as great as 6mmHg, a new study says.

Tests carried out on 19 consumer BP monitors sold by pharmacies in the UK have shown that they performed well in laboratory conditions but less so when used in the real world.

The accuracy of BP measurements in these tests was unrelated to the price of the devices, the study found.

However, when two of the most and least expensive BP monitors were tested on 21 adult volunteers they proved to have a systolic BP error range of 2-8mmHg and 2-10mmHg,