Welcome and thank you for asking on HCM!
Your symptoms do not seem to be related to any cardiac disorders, especially considering your young age.
Anyway, I would recommend performing some tests just to be sure that everything is OK:
- a chest X ray
study and pulmonary function tests
- a cardiac ultrasound
- an ambulatory 24-48 hours ECG monitoring to investigate for cardiac arrhythmia
- complete blood count
- PCR, ESR for inflammation
- an exercise cardiac stress test
You should discuss with your doctor on the above tests.
If these tests result normal, you should consider anxiety
as the main cause of your complaints,.
Hope to have been helpful!