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A large proportion of patients (up to 20%) who suffer from an epileptic seizure and remain unconscious suffer from a non-convulsive epileptic seizure. The condition is difficult to diagnose, and impossible without the required instruments. Electroencephalogram is required in the diagnosis of non-convulsive status epilepticus. Presently, the diagnostic value and implementation of such a device in the prehospital field is little studied. The aim of this study is to evaluate the diagnostic value of the acquired electroencephalogram with a prototype EEG/EKG adapter connected to a Physio-Control LifePak 15 defibrillator/monitor. The EEG is registered in a otherwise normal fashion with scalp-electrodes, but only three channels are monitored, as this is deemed sufficient for the prehospital field, as well as for monitoring the epileptic seizures.
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| Label | Type | Description | Intervention Names |
|---|---|---|---|
| Mini-EEG, NCSE | Unconscious patients due to seizures, of whom EEG is registered |
|
| Name | Type | Description | Arm Group Labels | Other Names |
|---|---|---|---|---|
| Registration of EEG | Device | EEG is registered for study purposes. No interventions to patient care is done at this stage. Acquisition is done without harming the patient. |
|
| Measure | Description | Time Frame |
|---|---|---|
| Diagnostic value of EEG | EEG signal assessed by a physician educated in interpretation of EEG, use a numeric scale (eg 0=not of value/corrupted, 5=good signal with diagnostic value) | 60min |
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Inclusion Criteria:
Exclusion Criteria:
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Patients unconscious due to seizures in the prehospital field
| Name | Role | Phone | Extension | |
|---|---|---|---|---|
| Johannes Björkman, MD | Contact | 094711 | johannes.bjorkman@helsinki.fi | |
| Tom Silfvast, MD, PhD | Contact | 094711 |
| Name | Affiliation | Role |
|---|---|---|
| Tom Silfvast, MD, Phd | Helsinki University Central Hospital | Study Director |
| Johannes Björkman, MD | Helsinki University Central Hospital | Principal Investigator |
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| ID | Term |
|---|---|
| D004827 | Epilepsy |
| D013226 | Status Epilepticus |
| D003128 | Coma |
| ID | Term |
|---|---|
| D001927 | Brain Diseases |
| D002493 | Central Nervous System Diseases |
| D009422 | Nervous System Diseases |
| D012640 | Seizures |
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| Salmi Tapani, MD, PHD |
| Helsinki University Central Hospital |
| Study Director |
| D009461 |
| Neurologic Manifestations |
| D012816 | Signs and Symptoms |
| D013568 | Pathological Conditions, Signs and Symptoms |
| D014474 | Unconsciousness |
| D003244 | Consciousness Disorders |
| D019954 | Neurobehavioral Manifestations |