High heart rate and working out?

This is not a medical question but my heart rate at rest can be 124-160 beats per minute. When I start working work it gets much higher (180-190) and I start having chest pains so I relax. I'm trying to lose weight so I need to know what are some good work outs that cause fat/weight loss, toning that I can do so my heart rate won't go up so high
High heart rate and working out?
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