 [ Symptoms ] my heart seems to be skipping a beat will beat 3 times then skip a beat what would be causing this [ Disease ] i am sorry you are experiencing this it is probably unnerving unfortunately it is impossible to say what may be causing this without a physical exam and possibly lab work and other testing many conditions can cause an irregular heartbeat like you are describing such as premature atrial contraction or even atrial fibrillation the diagnosis can depend somewhat on your age smoking status cholesterol level and more only an ekg or holter monitor test can say for sure what is going on here i suggest you start by consulting your primary care provider he or she knows your complete medical history and can best advise you as to the steps to take to obtain a diagnosis wishing you all the best