Multiple choice

Which of the following is the best technique to localise cerebral tumors and abscesses?

  1. ECG

  2. Habituation

  3. EMG

  4. EEG

  5. Sinus venosus
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Electroencephalography (EEG) refers to the recording of the brain's spontaneous electrical activity over a short period of time, which is usually 20 to 40 minutes as recorded from multiple electrodes placed on the scalp. EEG used to be a first line method for the diagnosis of tumors, stroke and other focal brain disorders. It is also used in the diagnosis of coma, encephalopathies, and brain death.

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