Craniocerebral ultrasound

There are two types of craniocerebral ultrasound examinations: 1. Type B ultrasound craniocerebral examination method: It is mainly used for children with cardia not closed within 2 years of age, and scans through the cardia as the "sound window". 2. Transcranial color Doppler imaging: Probe through the temporal window, occipital window, orbital window, can detect the cerebral arteries, and determine according to the intracranial blood flow velocity, bandwidth, flow direction abnormality, or audio abnormality, etc., and apply to cerebral blood vessels Diagnosis and classification of diseases.