What kinds of EEG are there? What's the difference? What are they paying attention to?

In life, we often see some people "suddenly faint, loss of consciousness", some people repeatedly "palpitation, panic", some people suddenly "stunned, stunned", some people consciously "flashing in front of the eyes, dark, some people consciously"shiver, limbs shake", some people"angry red ears, twitching limbs, The more people you see, the more you smoke, the more you can't stop for a long time. Some people repeatedly appear "wanting to walk, suddenly limb weakness, abnormal posture." Are these epileptic seizures? Is it hysteria? Is it a disturbance of consciousness caused by arrhythmia? Is it hypotensive shock? Or is it a seizure induced dystonia (PKD)? How should we treat it?

These problems are not only the concern of patients and their families, but also the key to clinical analysis and identification of the disease, in this process of discrimination and diagnosis, the indispensable means of examination is electroencephalogram. As we all know, epilepsy is a chronic neurological disease, characterized by abnormal discharge of brain neurons. It is estimated that there are more than 9 million epileptic patients in China, and about 650,000 new epileptic patients in China every year. Once diagnosed as epilepsy, regular and lasting antiepileptic drugs are needed. However, there are many antiepileptic drugs and different conditions. What kind of antiepileptic drugs should be chosen? Among them, the most important is to make clear the type of epilepsy and the clear judgment of epilepsy syndrome, and EEG monitoring to observe the characteristics of EEG activity is an indispensable means of monitoring. Moreover, regular monitoring is necessary in the course of chronic disease. Electroencephalograph

Why do we have to check EEG? EEG is the only real-time means to monitor the changes of brain function. EEG records normal and abnormal EEG activities in the process of detection. It is irreplaceable by other detection techniques for the diagnosis and differential diagnosis of seizure diseases such as epilepsy. It also provides a powerful epileptic focus for preoperative evaluation of refractory epilepsy patients. Location support. In addition to epileptic seizures, abnormal EEG discharges can also be recorded in many different situations, such as brain tumors, brain trauma, stroke, etc. The typical discharge pattern is "slow wave". Some discharge waveforms indicate epileptic seizures. Doctors call these abnormal brain waves "epileptiform abnormal discharge" or epileptic waves, including spikes, spikes - slow waves, and spikes. When spike or slow-wave discharges are confined to a region of the brain, such as the temporal lobe, it is suggested that some partial seizures may originate there. The generalized synchronous spike slow wave activity in both hemispheres can be recorded in all cases of idiopathic epilepsy. What type of EEG monitoring is the EEG selection?

First, long range video EEG monitoring is a diagnostic technique for epilepsy or epileptic seizures. Patients need to be hospitalized for a period of time, usually 2 days. During the monitoring, patients received continuous monitoring and recording of video and electroencephalogram monitoring. Video electroencephalogram monitoring can accurately observe and analyze the relationship between seizure behavior and EEG discharge.EEG machine

Secondly, short-term video-EEG monitoring: due to the sleep physiology and tolerance of children with epilepsy, in order to ensure the acquisition of sleep cycle, shorten the monitoring time. Video electroencephalogram monitoring is helpful to distinguish epileptic seizures from non-epileptic seizures, determine the type of epileptic seizures, and provide irreplaceable guidance for reducing and stopping antiepileptic drugs.EEG machine

Thirdly, high-density video localization EEG monitoring: is a new world advanced epilepsy diagnosis and focal localization technology. Electroencephalographic source localization/high-density epilepsy electroencephalographic localization monitoring with high-density electrode lead distribution and electrocardiographic and electromyographic fusion analysis can accurately record the relationship between epileptic seizures recorded by video and the origin of epileptic discharges, and improve the diagnosis of epilepsy types and localization of epileptic foci. It is the latest technology in epilepsy field in the world . For patients with intractable epilepsy, especially those with surgically corrected intractable epilepsy, monitoring the origin of intracerebral discharges during seizures and evaluating the suitability of patients for surgical treatment are indispensable monitoring means.

Fourth: EEG monitoring with intracranial electrodes.

When scalp video-EEG recording and neuroimaging can not provide sufficient evidence for surgery, it is necessary to conduct video-EEG monitoring of intracranial electrodes, that is, video-EEG detection of intracranial electrodes, that is, to place the electrodes on the surface of the brain after craniotomy in order to more accurately record the activity of cerebral discharge. Electroencephalogram monitoring results of intracranial electrodes can ultimately guide clinicians to identify the "epileptic origin area" (i.e. the brain region where epilepsy begins), assist surgeons to more accurately resect the lesion area or to disconnect the epileptic origin from normal brain tissue, but also to the greatest extent to retain the functional areas of the brain. EEG machine