I'm 22 years old and since Sunday I have been feeling irregular heart beat through my xphoid (approx. 5 times a day for a few minutes). It is a very intense heart beat and when i put my finger over it i can feel it beat.
I would say that you should for deffo! I have cardiomyopathy which has recently led to heart failure. I have always noticed an irregular heartbeat as a teenager and it has got progressively worse as I've got older (I'm 28 years old now). I am under the care of two cardiologist in opposite ends of the UK to get the best care. Better to get checked and either put your mind @ rest or get the treatment you need earlier rather than later.