During one of my journalism classes, we were given a list of facts and we had to write a news article from them. I wrote the first sentence but didn't like it. So bad medicals I scratched it out. I tried again and wrote the exact same sentence again, word for word. I scratched it out. Then again I wrote the same sentence. I was suddenly scared. My mind was stuck in loop.
There are various chronic diseases which can also lead to bad breath as well. Various lung diseases or liver diseases, for example, can cause bad breath. And that isn't all the medical conditions that you could be suffering from that can cause halitosis some of which you may not even know medicals fake you have.
Forty years ago we completely changed our lifestyle. Why? We were tricked by a fake cholesterol scare campaign that caused millions of people to get tested. The test method was incorrect medicals bad and fake slim healthy people were put on a diet. The diet was a simple reversal of our trusted traditional diet. It became known as the pyramid diet.
With heartburn, besides the usual pain and discomfort in the chest, there can also be a sensation of food or liquid coming back up from the stomach into the throat along with a bitter or acidic taste in the mouth. These would not be present with angina.
By doing these things you will hopefully see your health improve and as a side benefit be able to qualify for lower insurance premiums. Also, you won't have to be afraid of what an insurance health check may say about your health condition.
A last practical suggestion: If you have access to one, bring a portable game device (even a phone) or DVD player. Studies show that children who are engaged in watching something they enjoy perceive half the pain or less during a medical procedure than children who are paying attention to the procedure. Even a beloved book may work to take their mind off the vaccines.