If an ecg is normal, is it irrational to worry about your heart. having panic attacks and can't sleep due to worrying about my heart. no actual chest pains though. just really bad anxiety and fear. thank you?

CBT: Wonder if you might have Health Anxiety. Have you considered cognitive behavioral therapy to deal with recurrent fears and panic attacks.

Need to examine: It is not feasible to provide a meaningful opinion without taking additional history, physical examination and may be some tests. It would be prudent to see your doctor and discuss if you may be depressed. Counter-intuitive as it may seem, exercise may help. Start with low intensity exercise such as walking and gradually increase the intensity as tolerated. Drink more water. Wish you good health!

Need evaluation .: At your age, assuming you are premenopausal no reason to be especially concerned about coronary disease. However, reassurance wii be of value. A good diet, a regular exercise program and risk assessment by a cardiologist would be valuable in terms of reassurance and relief of anxiety. A lipid profile would be an additional useful measure. The normal ECG is also in your favor.