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Hong Kong Baptist Hospital's electroencephalogram (EEG) and electromyography (EMG) services are provided by a team of experienced neurologists and nurses. The services are available for inpatients and outpatients upon specialists' referrals and appointments.

Electroencephalogram (EEG)
EEG refers to the recording of brain waves for neurological evaluation of patients who are having cerebral problems. It is especially useful for the diagnosis of epilepsy and also useful for the diagnosis of coma, encephalopathies, tumors and stroke.

24 hours Ambulatory EEG
Ambulatory EEG refers to the use of a small portable recorder which records the brainwaves of patients to a small data disk. Patients need to carry the recorder for 24 hours in order to provide enough data for the diagnosis of epilepsy.

24 hours Video EEG
Video EEG is an EEG with simultaneous time locked video for providing information to investigate physical or sensory events which may or may not to be related to seizures.

Electromyography (EMG)
EMG measures the electrical activity of muscle at rest and during contraction by putting a needle into a particular muscle.

Nerve Conduction Velocity (NCV)
NCV measures how well and how fast the nerves respond by stimulating the nerves through electrical impulses. EMG and NCV are often done together to help in assessing peripheral nervous system pathway diseases.

Evoked Potentials (EPs)
Visual Evoked Potentials/Response(VEP/ VER): checking the speed of visual signal transmission through your brain as a reaction to visual stimuli.
Brainstem Auditory Evoked Potentials /Response(BAEP/ BAER): recording your brain reactions to auditory stimuli.

Somatosensory Evoked Potentials/Response(SSEP/ SSER): recording nervous system reaction time to small electrical impulses for the diagnosis of certain nervous system conditions such as multiple sclerosis.

Transcranial Doppler (TCD)
TCD is a test that measures the velocity of blood which flows through the blood vessels in brain. It helps the diagnosis of cerebro-vascular disease and stroke.

Service Charges

Please refer to our General Hospital Charges for details.

Monday - Friday 8:30am - 4:30pm
Saturday 8:00am - 1:00pm
Closed on Sunday and Public Holidays

For enquiries and appointments, please contact us at:
Electrodiagnostic Centre
4/F, Block D, Hong Kong Baptist Hospital
2339 8991/ 8975
2339 8436

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