Continuous blood pressure checks . . . and other stories

BMJ 2018; 360 doi: https://doi.org/10.1136/bmj.k607 (Published 15 February 2018) Cite this as: BMJ 2018;360:k607

Monitoring blood pressure without a cuff

It’s not too difficult to detect changes in volume or flow within an artery non-invasively. But measuring arterial blood pressure, which is what one usually wants to know, is more difficult. A photoplethysmographic method that uses a single sensor to measure pulsatile changes in index finger blood volume might have solved the problem. It needs an initial calibration with traditional inflatable cuff sphygmomanometry, but after that its inventors claim that it can monitor ambulatory blood pressure continuously, comfortably, and accurately (JACC Basic Transl Sci doi:10.1016/j.jacbts.2017.07.015).

Sudden cardiac death

Sporting activity has received attention recently as a cause of sudden cardiac death in young people. But a population survey …

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