In my estimation, the Loop is only truly at its best when paired with a $70 H6 or $80 H7 heart rate sensor, so you’ll need to budget nearly $200 if you want the whole package.

A mother appealed today to thieves to return her eight-year-old son's heart monitor which was stolen from her car.

Heart monitor Average typical use (days) Longest typical use ... Presently available noninvasive rhythm recording options include the ECG, the Holter monitor, the event recorder or loop monitor, ...