Angina is heaviness of pain in chest during walking or any exertional activity (exercise) which radiates to arm and chest pain which setting when patient takes rest or take a sublingual nitrate tablet.
Visit to a doctor, he will take ECG & other investigations like TMT & ECHO. If result of investigation shows heart disease, then an angiography is done to see any blockage in vessel of heart.
If blockage is less than 70% then it can be treated with medicine. If blockage is more than 70% then we have to open the block by angioplasty or bypass surgery.
Take regular medicine, yoga, control sugar, quit smoking, regular exercise, control BP and weight reduction.