It's difficult for me to comment of the cause of your symptoms in this forum with the information that I have. Presumably, you've had some diagnostic tests done which may clear up some the ambiguities here. I wonder how the diagnosis of esophageal spasm was made and whether you have had an ultrasound of the heart called an echocardiogram. Finally, I'm not sure what is causing the palpitations, but your physician may want you to wear a portable cardiac monitor to determine you underlying heart rhythm over 24-48 hours. I hope you find this information useful.
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