Hello, and welcome to HCM!
This is certainly not normal. As you may know, hypertrophic cardiomyopathy
puts you at significantly increased risk of sudden cardiac death
. Because of this, you should take any "heart symptoms" (such as chest pain
, palpitations, dizziness
, shortness of breath
, shooting pain or numbness
) very seriously, especially when they occur during exercise. Make an appointment to see your cardiologist as soon as possible. As you said, your defibrillator is a good "insurance policy", but this still needs to be evaluated promptly.
I wish you good health, and thank you for posting on HCM!