Thanks for your question on HCM.
In my opinion you should first rule out cardiac cause. As chronic , dull aching pain can be due to angina also.
So get done ECG and 2D Echo to rule out cardiac cause.
If both are normal than no need to worry much for cardiac cause.
You may have GERD (
Gastro Esophageal Reflux Disease ). As it can cause burning and pressure too.
It is due to laxity of gastroesophageal sphincter.
Because of this the acid of the stomach tends to come up in the
esophagus and cause the symptoms.
Try to follow these steps for better symptomatic relief.
1. Avoid hot and spicy food.
2. Avoid large meals, instead take frequent small meals.
3. Avoid stress and
anxiety.
4. Start
proton pump inhibitor.
5. Go for walk after meals.
6. Keep 2 - 3 pillows under head in the bed.
7. Avoid
smoking and alcohol if you have this habit.
8. Loose weight if you are obese .