Im very sorry to hear about your symptoms.
Now an ectopic heart beat is basically an abnormal beat of the heart which can come earlier than it should. There are two major types of an ectopic heart beat. A premature ventricular contraction which means that the ventricle of the heart contracted before it should and a premature atrial contraction which means that the atrium contracted before it should. Usually a PVC or PAC is harmless and wouldn't cause any symptoms. However they do need to be monitored because if PVC's occur right next to each other for a prolonged period of time, then a serious arrhythmia can occur.
Now what should be done here is not just an ECG but rather a 24 hour holter monitor test which would reveal how often do you get these PVC's. This would help the doctors in determining whether these PVC's are something which should be treated or not. Secondly it can also help in determining if there are any other arrhythmias which should be treated as well.
Now as far as the cause for this is concerned, It is very likely that this is due to the rheumatic fever that you had as a child. Rheumatic fever not only affects the valves but sometimes can predispose a patient to developing PVC's in the future along with several other arrhythmias as well. This is because of the damage to the heart which was caused by rheumatic fever. There are several other causes for the ectopic beat as well, this could include the following.
- Structural diseases of the heart (apart from rheumatic fever like cardiomyopathy)
- Decrease in blood supply to the heart (coronary artery disease)
- Electrolyte imbalances (potassium,calcium and magnesium deficiency)
- Alcohol intake
- Caffeine intake
- Stimulant drugs
But it is NOT something which your children can catch from you. This isn't an infectious disease which could be transmitted to them. So you can see there are several causes of the ectopic heart beat apart from the rheumatic fever. But your children wont catch this from you.
I would recommend that you get the 24 hour holter monitor test done along with a echocardiogram because you also have a hart murmur which should be evaluated as well. If needed following these tests you could undergo a stress test or even an angiography.
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