Electroencephalography (EEG) ~ Clinical Skills II Fall 2023 Questions And Answers

What is an EEG correct answer: -Graphic recording of the electrical activity of the brain -Several electrodes attached to the scalp of a patient - EEG is invaluable for evaluating? correct answer: Epileptic seizures Indications correct answer: 1.Identify and evaluate patients with seizures 2. Evaluate patient with pathological conditions I ~ Tumors II ~ Infarctions 3. Confirmatory test to determine brain death What can interfere with EEGs? correct answer: 1. Hypoglycemia 2. External stimulation I ~ Body and movement of eyes during the test II ~ Lights flashing can alter the testing results 3. Drugs I ~ Sedatives II ~ Intake caffeine prior to the procedure Procedure correct answer: 1. Quiet environment 2. Pt is supine 3. 16+ electrodes place on both sides of scalp 4. Electrodes to earlobes = grounds 5. Lie still/eyes closed 6. Tech will monitor patient 7. Repeat exam in 4 situations 4 situations exam is performed in correct answer: 1. Rest 2. Hyperventilation 3. Photo stimulation 4. Sleep Hyperventilation procedure correct answer: 1. Breath deep 20x for 3 minutes -Induce alkalosis and cerebral vasoconstriction Photostimulation procedure correct answer: 1.Flash lights at variable speeds over the patients face with eyes open or closed Sleep procedure correct answer: 1.Rule out frontal lobe epilepsy 2. Patient given sedative/hypnotic 3. Records falling to sleep, sleep and waking Patient Education correct answer: 1. Wash hair prior to testing 2. Confirm with patient on holding meds prior to procedure 3. Remind patient to eat