Advanced Analysis of the Carotid Phonoangiography and Diseases

Not yet recruiting

Phase N/A Results N/A

Eligibility Criteria

Inclusion Criteria

1. Age: 20 years old to 99 years old
2. Gender: Unlimited
3. Because different types of brain diseases, those who received conventional catheter vascular examination.

Exclusion Criteria

1. Neck inflammation locally who can not admit the sound.
2. Due to inability to cooperate to accept those recordings.