A Heart Test in Two Minutes: How Dehradun Founders Built a Pocket-Sized ECG Device

For someone experiencing chest pain or breathlessness in a remote village, getting an ECG can mean travelling several kilometres to the nearest hospital. By the time the test is done, precious minutes may already have been lost. It was this gap that led Rajat Jain and his co-founders to build Sunfox Technologies, a health-tech company in Dehradun, Uttarakhand. They launched Spandan, a pocket-sized ECG device that connects to a smartphone. The device can record a medical-grade ECG and generate a

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