What is MRI examination?

Cranial MRI examination is a kind of imaging technology which uses the signal generated by resonance of atomic nucleus in strong magnetic field to reconstruct image. It is a nuclear physical phenomenon. Cranial MRI examination is suitable for: craniocerebral trauma; cerebral vascular diseases, such as cerebral infarction, cerebral hemorrhage, intracranial space-occupying lesions, such as benign and malignant tumors; congenital dysplasia; intracranial infection; cerebral leukoencephalopathy; skull osteogenic diseases; Intracranial elevation, hydrocephalus, brain atrophy, etc. MRI should remove all metals, magnetic substances and electronic devices carried by the patient. Emergency and critically ill patients must be accompanied by a clinician when doing this examination.