He might recommend physical therapy, which can include ultrasound, electrical stimulation and massage.
他建议可以采用理疗的方法，其中包括超声波，电刺激和按摩等方法。
2
Together they have devised a wireless cardiac-stimulation (WiCS) device that uses focused ultrasound to stimulate a tiny receiver device, the size of a grain of rice, placed within the heart.