Lopressor is a beta blocking drug that reduces your heart rate and cardiac output while you are resting and exercising. Lopressor is often used in the treatment of high blood pressure and chest pains. If you are taking Lopressor and are participating in an exercise program, you may find that your heart rate response is lower than before you began the medication. Your heart rate still may be getting into your training zone when you adjust for the heart rate reduction caused by the medication.
Resting Heart Rate
Step 1
Find your pulse by placing your first two fingers on the thumb underside of your wrist or onto the side of your neck.
Step 2
Count your heart beats for 30 seconds upon waking and before getting out of bed.
Step 3
Multiply your 30-second count by two in order to determine your resting heart rate.
Maximum Heart Rate
Step 1
Subtract your age from 220 to determine your maximum heart rate.
Step 2
Use your MHR as a guideline to not exceed this amount when you exercise.
Step 3
Remember that this estimated MHR calculation has an error rate between 10 and 12 beats per minute.
Target Heart Rate
Step 1
Subtract your RHR from your MHR to determine your heart rate reserve.
Step 2
Multiply your HRR by .55 and then add your RHR to determine your lower heart rate training zone.
Step 3
Multiply HRR by .65 and then add your RHR to determine your higher heart rate training zone.
Step 4
Exercise and count your pulse for 10 seconds and multiply that number by six. Determine whether you are within your medication-adjusted training zones.
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