What to look for when choosing a baby monitor for your family ... Pediatrics emphasizes that while some monitors track a baby's heart rate and oxygen levels, there is no evidence they prevent ...

They use electrodes against your skin to monitor ... heart rate monitors are 'optical', meaning they send a ray of light into your skin and measure the colour change as blood passes by with each beat.

Heart palpitations are heartbeats that suddenly become more noticeable. Palpitations can feel like the heart skips a beat, or it is ... a person can closely monitor them. It is a good idea to ...