After Friend's Sudden Death, Dehradun Boy Invents Matchbox-Sized ECG DeviceHealthcareBy Roshini Muthukumar30 Sep 2020 19:08 ISTIn 2016 after losing his close friend to a cardiac arrest, Rajat Jain along with his friends developed Spandan - a matchbox-sized portable ECG device that can detect heart abnormalities.Read More
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