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EKGs (electrocardiogram) show what is happening at that particular moment in time. They can also show any damage or arrhythmias that your heart is experiencing. It is like a snapshot of your heart's rhythm. If you weren't experiencing your heart palpitations, pounding, skips or other sensations at that moment in time, it is unlikely that the EKG would show any abnormalities.
Usually, insurance companies insist on referrals to specialty physicians. I advise talking with your family physician again expressing your concerns. Ask for a referral, or request a cardiac stress test
, or perhaps a holter monitor
to rule out anxiety
as the primary cause of your symptoms.
I commend you on your commitment to becoming healthier. Diet and exercise do make a difference in heart health. I hope I have adequately answered your questions. Feel free to contact me with any additional questions you may have.