New App Measures Blood Pressure More Accurately

New smartphone app can help monitor your Blood Pressure

New smartphone app can help monitor your Blood Pressure

The group, from Michigan State University in the U.S., also found a more advantageous estimation point.

A team of scientists including Indian-origins have designed the more futuristic smartphone app as well as hardware that can help monitor blood pressure with more accuracy as compared to the existing cuff devices.

It is a good time for the smartphones to become more useful than communication.

"We targeted a different artery, the transverse palmer arch artery at the fingertip, to give us better control of the measurement", said Anand Chandrasekhar, PhD student at MSU. We were excited when we validated this location.

How does the app work?

The app uses two sensors: one is optical, and one is force. The sensor unit and other circuitry are housed in a one centimeter-thick case attached to the back of the phone.

According to the World Health Organization, raised blood pressure is estimated to cause 7.5 million deaths per year worldwide, about 12.8% of the total of all deaths.

Professor of electrical and computer engineering and senior author, Ramakrishna Mukkamala stated that, "A key point was to see if users could properly apply the finger pressure over time, which lasts as long as an arm cuff measurement". When pressing the sensor unit, the user now has to hold their phone at heart level and watch their phone to ensure that they are applying the right amount of finger pressure on the sensor unit. Raised blood pressure is a major risk factor for coronary heart disease and ischemic as well as hemorrhagic stroke. Treating systolic blood pressure and diastolic blood pressure until they are less than 140/90 mmHg is associated with a reduction in cardiovascular complications. While high blood pressure is treatable with lifestyle changes and medication, only around 20 percent of people with hypertension have their condition under control. This invention could give patients a convenient option and keeping a log of daily measurements would produce an accurate average, discounting an occasional measurement anomaly.

The new Blood pressure checking mobile app was recently launched.

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