Heart attack is the most terrifying killer and can affect anyone. There are many ways to prevent heart attacks, one with a blood pressure monitor each day. To measure your blood pressure daily, you can use Cardiio application for the iPhone.
This application is based on MIT technology to reflect light from the face. Cardiio uses some complex algorithms to measure heart rate with an average error rate of +/-3 beats per minute. This does not mean your iPhone will replace the medical equipment, but it is useful for quick checks.
You can use the front-facing camera to take measurements of heart rate. Cardiio measured through blood vessels to spread each heart pumping, which also reduces the ratio of reflection over your face. Cardiio for iPhone you can get through the iTunes App Store for $4.99.
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