Welcome to HCM.Heartburn
is always associated with severe acidity in the stomach and gastro esophageal reflux.It usually occurs after spicy food,irregular food habits,oily diet and even after anxiety
.In your case it is due to severe stress.
You have to take rebeprazole or pentoprazole with domperidon.
Avoid spicy,oily food.Make your food habits regular.Drink milk and high fiber diet is advisable.Most important is to avoid stress,anxiety.Live positive with strong attitude otherwise you will also require psychiatric consultation.
Go for routine investigation and ECG to rule out any cardiac condition.