This Swiss electronics company is on a mission: to stop millions of people dying of ignorance each year.

Worldwide, high blood pressure leads to around 9.4 million deaths annually according to figures from the World Health Organization.

And yet, the condition is easily diagnosed and treated.

In the Americas, the prevalence of high blood pressure fell from 31 percent in 1980 to 18 percent in 2014, but remains high in developing countries.

It is showing off its solution at Mobile World Congress in Barcelona this week.

Some cuffs can automatically detect the stop and start and record the pressure at each point; others require the medical practitioner to listen to the blood flow using a stethoscope and record the pressure manually.

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