It is not typical for the intermittent chest pain post stent and should be discussed with your Cardiologist.
There are many things which could cause a large left atrium, however high cholesterol is not one of them. This needs to be discussed with her doctor who ordered the test.
There is a condition known as pump head which involves a decreas in memory after being on bypass pump for open heart. However there are other problems which could be the problem or contributing to the memory loss.
There are many causes of CP most of which are not cardiac.
On the verge of a heart attack will not be picked up by an echo or blood work.Other types of studies would need to be done.
It is not an uncommon occurrence. There are many reasons this may happen without there being a mistake.
This is more of a legal question. You should always be honest with your doctor but you also have not notified your HR of your work conditions that they are working you under. They need to be told of your concerns.
Your chest wall may be tender for a year or longer postop. You are correct the exercising you do may increase the pain depending on the type of exercise you are doing.
THis is unlikely due specificly due to the medicine but is possible
Without knowing why they want to cath you it is hard to answer the question. But most patients with a cath do not necessariy get a stent. You should discuss this with your doctor who will perform the procedure.