The first thing to exclude would be other medications that she may be taking that could slow down her heart rate. Nonetheless, her slow heart rate may be concerning if it is truly causing dizziness and fainting episodes. She may eventually need a pacemaker to prevent the periods of slow heart rate, but you speak to her physician about this. The most appropriate doctor for her to see would be a cardiac electrophysiologist who specializes in cardiac rhythm disturbances. I hope you find this information useful.
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