hello, You mentioned about vpc, this can very well cause your all symptoms. Usually cause for this anxiety, stress, drugs, caffeine, structural heart disease, thyroid, smoking and sometimes without any detectable cause called as idiopathic. I guess you undergone echo and it s normal. Along, with vpc you can have other arrhythmias like psvt or atrial fibrillation, in which heart rate suddenly goes up and then Normalizes. Blood pressure falls during these episodes and one has dizziness, fainting, blackouts, sometimes syncope and other symptoms. So we need to evaluate for the cause. Usually ecg is normal as it is usually done in between the episodes. ECG done during episodes will show abnormality so you will need 24 hour holter monitoring if symptoms are occurring in daily basis. So visit nearby cardiologist for this investigation. Also, hemoglobin and thyroid test should be done. ln order to abort such episodes you should try to cough hard. Till the time your evaluation is complete, you can ask your local doctor for tab ciplar LA 20 mg once a day which will take care of your symptoms. If none of the above is successful then last optionand you ll not probably need it, is of electrophysiological studies which is invasive test which can diagnose and treat the arrhythmia permanently in most of the cases. So get back if you have any further doubts.