Hi, your complaints looks like an anxiety or panic attack. Acidity is also a symptom of such stressful situations.
You can avoid such stress induced anxiety by following some simple steps in life
Make a schedule for day
Wake up early , Meditate, Do stretch exercises, Do some cardio.
Eat good , sleep well for 7-8 hrs. Sleep early.
Avoid mobile after 9pm at night.
Read some motivational books or listen to some motivational talk.
We are the creator of our lives. A positive mindset can treat many mental conditions.
Take care. God bless you.
Next Steps
Ext time when you have such attacks then get an Echocardiogram done.