I have been facing palpitations episodes since 2 years...got all test heart test done , just 100 extra beats in 24 hours and others normal. Doctors says you are perfectly fit , but I want to know the reason why it's coming..I just read that adrenal glands tumour or cancer can cause palpitations..should I go for  Catecholamines test as it's expensive and I am a student. I am 26 and my bp is 130-140 mostly other than this no headache , stomach pain , no dizziness , no fullness , no yellow skin, muscle sometimes crack..that's it..pls help me also my b12 is in deficit.suggest me pls I already wasted 30000 in heart test and found nothing just 100 ventricular ectopcis in 24 hours