Originally Posted by
gobicycling
Why a cardiologist and not an electrophysiologist?
Electrophysiologists are cardiologists, but they specialize in arrhythmias and are interventional. They do recordings of activity in the heart through catheters, and can do ablations of abnormally active areas or conduction pathways which sustain arrhythmias.
The first order of business is to determine what the rhythm is; depending on the answer an electrophysiologist may or may not be the next appropriate step.
As the OP is under the care of a cardiologist, that person should be able to determine what is going on.