有不少病人感到心跳“暂停”而求医,要求医生作出是否有心脏病的判断。心脏的正常搏动起源于窦房结;如果由心脏其他部位发出,医学上称过早搏动,简称“早搏”。旧名词称为“期外收缩”或“期前收缩”。早搏可分为窦性、房性、结性和室性四种。以室性最多见,其次为房性;窦性极少见。在临床上所见的异 Many patients feel the heartbeat “pause ” and seek medical advice, ask the doctor to make the judgment of whether there is a heart disease. The heart’s normal pulsation originated in the sinus node; if issued by other parts of the heart, medicine premature beats, referred to as “premature beats.” The old name is called “extrasystoles” or “premature contractions.” Premature beats can be divided into sinus, atrial, nodular and ventricular four. The most common ventricular, followed by atrial; sinus rare. Differences seen in the clinic