hi,i am a 30 year old female and been experiencing missed heartbeats quite regular, i have been feeling them in my throat i get a heaviness but today it was the worse by far i had to sit down my head felt like it was going to explode. all i can explain it as is heaviness in my throat then when i feel the part where your throat dips in my heartbeats going really fast . i have suffered palpitations since i was 28 but not had one for a while now these missed heartbeats can somebody please help me i think im just going to drop dead any time soon its scaring me to death i have had blood test ive had (ECG)s ive had my heart scanned but nothing my doctors referring me to a cardiolagist but while im waiting im worring can anyone help xx