Hello! Welcome and thank you for asking on HCM! I understand your concern and would explain that your symptoms don t seem to be cardiac related. What is your age? Have you suffered from any cardiac disorders before? Your symptoms may be related to anxiety. But a cardiac arrhythmia can not be excluded. I recommend consulting with your GP for a careful physical examination and some tests: - a resting ECG - a chest X ray study -blood lab tests (complete blood count, thyroid hormone levels, fasting glucose, blood electrolytes). An ambulatory 24-48 hours ECG monitoring may be needed if suspicions of possible cardiac arrhythmia are raised. If all the above tests result normal, you should consider anxiety as the most probable cause of your troubles. Hope you will find this answer helpful! Take care, Dr. Iliri