target heart rate

  I am on bata blocker (Coreg,Cozaar). I was told that my heart target rate is altered. Would you give me a guide line regarding new target zone? Since I started aerobic exercise, I feel much better. Thanks for your advice.  

[CCF Cardio MD - MTR]

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Dear Kim, thank you for your question.  The maximum heart during exercise (100% capacity) is calculated by subtracting age from 220.  Generally, aerobic exercise should be between 65-85% of the maximum heart rate for a sustained period (20-45 mins).  Beta blockers can slow down the maximum heart rate by roughly 10-20% so your target heart rate for aerobic exercise may be slighly lower.  However, you should check with your physician to get specific recommendations regarding exercise.  I hope you find this information useful.
Information provided in the heart forum is for general purposes only.  Only your physician can provide specific diagnoses and therapies.  Please feel free to write back if you have more questions.