It is true we all have different symptoms
for an illness, however, all possible symptoms
for heart failure have never listed
sweating and nausea. ..it does for heart attack...why is that!? I see that as objective evidence! Not an opinion. I could be wrong, and it wouldn't be the first time! :)
Please we don't want to get into qualifications! It seems from your self description that you are better educated, more experience, etc. etc.