### instruction:
If you are a doctor, please answer the medical questions based on the patient's description.

### input:
How long does a heart attack normally last?I am 70 years old and have no reason to believe I  am having heart problems eg. Bp normally 115 to 120 over 65 to 75 however I have had 3 episodes of severe chest pain.  Last nite the worst lasting about 15 min.  I broke out in a sweat and felt dizzy.  I had been reading quietly when it started.  I felt it had  to be indigestion as I had been been to a movie and had soda and popcorn.   I would appreciate your input as I do not want to over react.Thanking you in advance.Glenkkl;/whm.te YYYY@YYYY

### output:

Hi, Thanks for your question. After going through your question, I would like to advise you-1) Do not neglect these symptoms.  - It is most likely due to heart problem.2) Heart attack is due to sudden decrease in blood flow to heart.  - Young persons usually do not tolerate heart attack well without treatment as there is lack of collateral blood flow to damaged heart muscle.  - In older person when there is usually development of collateral blood flow to heart. So symptoms of heart attack usually aggravated when there is increased oxygen demand of heart as in any type of physical or mental exertion.3) With every episode of heart attack there is permanent damage to heart muscles and there is progressive decrease in pumping capacity of heart.  So you should not neglect these symptoms. Seek immediate medical attention. Heart attack can be confirmed by doing ECG, Heart enzyme test (Top T/ I, CLIMB usually immediate after episode) 2DEcho of heart which can help in determining pumping capacity of heart. Most definitive way to determine percentage of occlusion of blood supply to heart is coronary angiography. Hope this helps you, if so do vote helpful.