46.Depending on the facility's workflow, most modalities send images to a quality assurance workstation or sometimes called a PACS gateway.

50.DICOM is implemented in almost every radiology,cardiology imaging and radiotherapy device X-ray,CT,MRI, ultrasound, ete.and increasingly in devices in other medical domains such as ophthalmology and dentistry.

31.Magnetic fields can be produced either by electromagnets or by permanent magnets .

16.There are three basical methods of DSA, which are respectively temporary subtraction ,energy subtraction and hybrid subtraction.

49.DICOM enables the integration of scanners, servers, workstations, printers and network hardware from multiple manufacturers into a picture archiving and communication system PACS.

40.A contrast agent calld gadolinium may be injected into a vein to help obtain clearer picture of the area being examined.

47.The client fills in the C-FIND request message with the keys that should be matched. E.g. the patient ID.

2.Many diseases in clinical departments are required to achieve the definite diagnosis by the exam of radiology equipment.

12.Without artificial help,DR can direct transform the X-ray passing through patients into digital images, save and display them in the computer.

4.Take routine and some special radiography,operate machine in concert with diagnosis doctors to ensure the image quality ,complete the emergency rescue work with the diagnosis doctors.