Are heart palpitations benign?

Some are,some aren't. The presence and severity of underlying heart disease and the type of arrhythmia causing the palpitations will determine if they're benign. It's customary to examine the heart with echo and record the heart's rhythm with ekg and/or prolonged recording devices to determine the nature and safety of the symptom.
Palpitation Sx. Palpitations are an awareness of extra heartbeats which most of us have. The sensation can be single or multiple and can sometimes last minutes. Different people may feel other symptoms along with them such as dizzy, lightheaded or short of breath. The palpitations are almost always atrial or ventricular premature beats. Usually benign but they are also found with abnormal hearts.