Neurological Diagnostics﻿﻿

Neurological Diagnostics

Computed Tomography (CT) scan

May or may not require an injection of a dye
Obtain a consent if a dye is used
Assess for allergies to iodine, contrast dyes, or shellfish if a dye is used (very important.

Cerebral angiography

Injection of contrast through the femoral artery into the carotid arteries to visualize the cerebral arteries and assess for lesions
Obtain a consent
Assess the client for allergies to iodine and shellfish
NPO 4 to 6 hours prior to the test as prescribed
Monitor for swelling in the neck and for difficulty swallowing and notify the physician if these symptoms occur
Elevate the head of the bed 15 to 30 degrees only if prescribed
Force fluids

Magnetic resonance imaging (MRI)

a noninvasive procedure that identifies types of tissues, tumors, and vascular abnormalities
Remove all metal objects from the client, such as pacemaker, implanted defibrillator, or any metal implants. Nitro Patch is also contraindicated.

Lumbar puncture

Insertion of a spinal needle through L3-L4 interspace into the lumbar subarachnoid space to obtain cerebrospinal fluid (CSF), measure CSF fluid or pressure, or instill air, dye or medications 6. Contraindicated in clients with increased intracranial pressure, because the procedure will cause a rapid decrease in pressure within the CSF around the spinal cord, leading to brain herniation
Need to obtain for consent from patient.
Position the client in a lateral recumbent position and have the client draw knees up to the abdomen and chin onto the chest .

Electroencephalography

– a recording of electrical activity within the brain.

– electrodes are attached to the clients hair.