Any of several usually miniaturized and surgically implanted electronic devices used to stimulate or regulate contractions of the heart muscle. 心脏起搏器任一种通常微型化的外科移植电子装置,用来刺激或调整心脏肌肉的收缩
A disease or disorder of the heart muscle, especially of unknown or obscure cause. 心肌病一种心肌疾病,尤指病因未知或难解的心肌疾病