Dr Sanjay Gupta - York Top Doctor Cardiologist puts in plain words with regards to Heart palpitations

Heart palpitations are pulses that unexpectedly become more noticeable.
Your heart senses in your throat or neck.
Palpitations might appear alarming, but typically they arebenign and are not an indication of a problem along with your heart.

http://betterbonsaitrees.blogspot.com/2015/07/york-consultant-heart-specialist-talks.html