Our expert says:
It is quite possible that you are experiencing something like a panic attack. Many patients have similar problems. Once a heart condition has been diagnosed, the patient becomes very aware of symptoms and signs. Thereafter, whenever any of those symptoms re-appears, the patient’s first thought, understandably, is that the condition has recurred or worsened. There is much overlap of cardiac symptoms with other conditions eg a fast pulse is associated with thyrotoxicosis, fever, blood loss, anxiety and anaemia to name but a few.
Looked at logically, you would not have improved so dramatically on Inderal, or been allowed home the next day from the ER, if there was even the slightest hint of cardiac problems. Also, having had a 24-hour ECG interpreted by a VERY competent cardiologist, is reassuring.
I am quite sure that you are right : what you feel during these spells is your heart racing and beating irregularly. But the evidence also shows that the CAUSE of this is not a heart problem, but much more likely to be anxiety induced, for whatever reason. Anxiety attacks can produce exactly the symptoms you describe. This is a normal response by your heart to stress. When patients ask about it, I advise them always to see cardiologist, to be sure that there is no underlying heart problem. This you have done, and are fortunate to have been given a clean bill of health.
I hope things will soon improve for you. If not, then remember that you can always get a second consultation with you cardiologist, or even a second opinion from another one.
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