Neurology

Neurology is the medical specialty which focuses on the diagnosis and treatment of diseases and disorders of the brain and nervous system. Neurology is about treating stroke patients, as well as patients with epilepsy, Parkinson's disease, and hundreds of other neurological issues, some of which are acute, others of which may be ongoing, or chronic.

TESTS WHICH COME UNDER NEUROLOGY?

EEG : Electroencephalogram

EEG, or electroencephalogram, is a tool we use to image the brain while it is performing a cognitive task. This allows us to detect the location and magnitude of brain activity involved in the various types of cognitive functions we study. EEG allows us to view and record the changes in your brain activity during the time you are performing the task. Images are acquired by using electrodes to monitor the amount of electrical activity at different points on your scalp.

Risks & Benefits
EEGs are non-invasive and do not involve any X-rays, radiation, or injections. EEGs have been used for many years and are considered very safe. The electrodes record activity without producing any sensation. Slight redness may occur in the locations where the electrodes were placed, but this will wear off after a few hours. However, there may be risks depending on your specific medical condition, so we will screen for disorders such as epilepsy.

BERA: Brainstem evoked response audiometry

WHAT IS BERA TEST AND WHY IT IS DONE?
BERA (Brainstem evoked response audiometry), ABR (Auditory brain stem response), BAER (Brainstem auditory evoked response audiometry). BERA is an electro-physiological test procedure which studies the electrical potential generated at the various levels of the auditory system starting from cochlea to cortex.


    Uses of BERA:
  • It is an effective screening tool for evaluating cases of deafness due to retrocochlear pathology i.e. (Acoustic schwannoma). An abnormal BERA is an indication for MRI scan. The BERA test helps us not only in identifying lesions in the 8th cranial nerve, but also the lesions in the brainstem region which affect the auditory pathway. The BERA response obtained in a particular case will depend upon the nature, location, and size of the lesion;
  • Used in screening newborns for deafness
  • Used for intraoperative monitoring of central and peripheral nervous system
  • Monitoting patients in intensive care units
  • Diagnosing suspected demyelination disorders.
 
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