What can cause the heart to palpitate?

Enlarged heart (cardiomegaly) isn't a disease, but rather a symptom of another condition. You may develop an enlarged heart temporarily because of a stress on your body, such as pregnancy, or because...

vessels that bring blood to the heart get blocked

I don't know but I had heart flutter for years and thought that it was normal until I discovered that I had Arrhythmia. During that treatment I learned that heart flutter was not normal and should be...

Yes anaemia can cause heart flutters (palpitations). The cause is usually due to the heart trying to compensate for low oxygen levels in the body. Anaemia is an abnormally low amount of haemoglobin...

yes.