Thanks for your question on Healthcare Magic. I can understand your concern. You are having premature ventricular contractions (PVCs). This is known as rhythm disturbances in heart. And it is mostly due to arrhythmia. Stress test is for Coronary arteries. It will not diagnose arrhythmia. And arrhythmia can cause chest pain, dizziness, light headedness etc. So in my opinion, you should get done Holter monitoring (24 hours continuous recording of ecg) to find out the type of arrhythmia. You may need anti arrhythmia drug on the basis of this report. If this report is normal then no need to worry for arrhythmia or other heart diseases. Sometimes stress and anxiety can also cause similar symptoms. So avoid stress and tension, be relax and calm. Consult psychiatrist and get done counselling sessions. Try to identify stressor in your life and start working on it s solution. You may need anxiolytic drugs too. Don t worry, you will be alright. But first rule out arrhythmia. Hope I have solved your query. I will be happy to help you further. Wish you good health. Thanks.