I've been working out and dieting for about 19 weeks now. I've lost 22 pounds so far and its going well. I'm doing the treadmill 4-5 times a week, elliptical on the days on I don't use the treadmill and lifting 3 times a week. I feel great and the weight is coming off 
I've noticed that when I run on the treadmill (30 minutes, ~4mph) and use my heart rate monitor, I have some unusual numbers. My monitor is very simple, just max, avg, and low heart rate. When I use the treadmill, I have a high at 220 bpm, and avg of 150, and low of like 75. I'm worried about the spike to the high heart rate. When I use the elliptical, I don't have these spikes in heart rate.
Is this spike in heart rate a problem? I never feel any pain, dizziness, or numbness when I'm jogging but I thought I'd see what people in the know about these things think.
Anyone else have this happen?
I've noticed that when I run on the treadmill (30 minutes, ~4mph) and use my heart rate monitor, I have some unusual numbers. My monitor is very simple, just max, avg, and low heart rate. When I use the treadmill, I have a high at 220 bpm, and avg of 150, and low of like 75. I'm worried about the spike to the high heart rate. When I use the elliptical, I don't have these spikes in heart rate.
Is this spike in heart rate a problem? I never feel any pain, dizziness, or numbness when I'm jogging but I thought I'd see what people in the know about these things think.
Anyone else have this happen?