Basics of ultrasound medicine, digestive system and cardiovascular system. According to the recruitment information of the provincial hospital, the recruitment of record clerks in the Department of Ultrasound Medicine will take an examination. The examination content includes the examination of the basics of ultrasound medicine, the digestive system and the cardiovascular system. The hospital was a place for people to take refuge, and it also had rest rooms to make visitors comfortable and entertain them. Later, it gradually became a professional institution that met human medical needs and provided medical services, and a service place that accommodated and treated patients.