When I was 14 I had the above when got soaked in a tent overnight at a camp.
I am now 68 and till 6 months ago had no issues,although left with a murmur at 14.
Suddenly with symptoms of light headiness and some breathlessness I collapsed.
Post extensive tests I know have to have my aortic valve replaced as it's tapered severely,changing what limited things I can do now.
I get a phamplet on valve conditions and causes and discovered that it's no 5 on the list of causes why aortic valves need replacing.
Over the years many Drs have said to me as checking my chest did you know you have a murmur.Said yes and moved on.No standard checks applied.
Knowing what I have read now can I suggest if anyone reading this has had rheumatic fever but never had an echo cardiogram or ECG they mention it to your Dr and ask if you should be checked out case any heart damage is developing.
Prevention may be better than the cure.
Hoping nobody is needing any help with this information I have provided