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An epileptic device for diagnosis of epilepsy - electroencephalogram

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Release date: 2020-12-18 13:38:42
Source: Henan Meilun Medical Electronics Co., Ltd.
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An epileptic device for diagnosis of epilepsy - electroencephalogram

Introduction

Electroencephalograph (EEG) studies the dysfunction of the brain, which is specific and noninvasive, and the price is not high. Proper electrode placement, reasonable lead setting and sufficient induction test can help to increase the positive rate of abnormal EEG wave.

Indication of electroencephalogram

Diseases of the central nervous system, especially paroxysmal diseases, such as epilepsy.

Neonatal monitoring with abnormal perinatal period

Post-traumatic brain injury and postoperative monitoring of brain surgery

Monitoring of critical patients

 

Meilun

 

Meilun Sleep disorder

Determination of brain death

Electroencephalograph requirements

At least 8 pilots (EEG Holter can 8 Guide) 24 hours dynamic EEG monitoring (EEG Holter) should not be used as a routine electroencephalogram examination using 16 or 18 leads for routine recording of conditional laboratories or for clinical research, more lead records can be applied, and 64 lead EEG is mainly used for intracranial use. Preoperative location of electrode

Sensitivity requirements: generally set to 7 mu v/mm.

Filtering requirements: low frequency filtering should not be higher than 1Hz, and high frequency filtering should not be lower than 70Hz.

Electrode requirements

Scalp electrodes have needle electrodes, tubular electrodes and disc electrodes. Conventional recording advocates the use of disc electrodes.

We recommend that acupuncture needles be used routinely as sphenoidal electrodes. We should pay attention to high pressure disinfection and avoid cross infection.

Electroencephalogram (EEG) and deep electrode electroencephalogram (EEG) used for specific purposes are mainly conducted in the specialized centers for diagnosis and treatment, and are not recommended for routine use.

Electrode placement


According to the recommendations of the international electroencephalogram society, the current 10-20 electrode placement method has become a universal standard method to ensure that the EEG activity in different representative regions on the scalp can be recorded (19 electrodes) which occasionally need to be too small between the two electrodes between the standard parts and the electrodes are too dense. The potential difference can not be reflected effectively

The purpose and attention of EEG inspection

The purpose of EEG examination is to make clear diagnosis and guide treatment.

A check should not reduce the drug, stop the drug, avoid the recurrence of the disease and the possible status of the persistent state of epilepsy benzene two azo drugs may cause a large number of fast wave and affect the interpretation of EEG, can stop the day before the EEG examination, and continue to take other antiepileptic drugs.

The exception is that the location of the epileptic source before surgery should be reduced or even stopped for the purpose of achieving the onset of EEG.

Drawing: tracing time and drawing

The conventional awakening electroencephalogram recording time should not be less than 20 minutes of sleep induced extension time. It should generally include at least the light sleep and sleep stage I and II, and all changes during the period of more than 10 minutes, such as the patient's cough, swallowing, body movement, peripheral interference, etc. as much as possible.

Induced test:

Tracings should include eye opening, flash stimulation, and hyperventilation. Drug induced tests are not recommended because normal persons can also induce epileptic waves induced by drugs and may cause clinical seizures.

Electroencephalogram analysis: visual measurement

At present, no EEG analysis can replace visual inspection successfully. Whether EEG is normal or not is only a statistical concept. It is subjective to analyze EEG. Proper training and experience are very important. The biggest difficulty in EEG analysis is that there is no fixed mode.

EEG analysis, spinous wave, tip wave, slow wave and other abnormal waveforms, except the most basic characteristics, the typical abnormal EEG is easy to recognize, but there are many untypical abnormal epileptic discharges, the form is not fixed, and there is no pattern of electrocardiogram.
Mechanical isolated view of waveform often leads to misjudgement.

In the analysis of electroencephalogram, it is important to pay attention to the analysis of synchronism, bilateral, focal, symmetry, and rhythm of abnormal discharge, especially whether it is repeated, or whether it is consistent with clinical manifestation.

The onset of abnormal fast wave or slow wave rhythm, the sudden change of normal waveform, the decrease of wave amplitude, and the location of abnormal changes during the focal seizure are important to the location of the source of epilepsy.


The principle of determining the results of electroencephalogram

There are three levels to determine the results of electroencephalogram:

Normal electroencephalogram

A slight change in normal background activity, such as the poor wave rate on both sides, the amplitude and the excessive asymmetry, the slight increase of the fast and slow waves, which describe the terms of the marginal and the mild abnormal.

Electroencephalogram: an epileptic discharge or a clear focal slow wave, which describes the term as moderately abnormal, and is described as highly abnormal for a high degree of electroencephalogram and qualitative change.

Generally speaking, simple marginal state and mild abnormal electroencephalogram are of little clinical significance. It is necessary to be careful to make a diagnosis with reference to clinical data. The abnormal electroencephalogram above moderate abnormal EEG is of definite clinical significance; the conclusion of EEG report avoids the conclusion of "light to moderate abnormal".

Pathological wave

Epilepsy is a brain disease characterized by abnormal function of the central nervous system caused by abnormal discharge of brain neurons, and electroencephalogram, as a means to directly record and reflect this abnormal discharge, has an irreplaceable position in the diagnosis of epilepsy and suggests epilepsy, classification of epilepsy syndrome and epilepsy. Source localization is helpful to judge treatment response and as a reference index for drug withdrawal.

An epileptic device for diagnosis of epilepsy - electroencephalogram

Introduction

Electroencephalograph (EEG) studies the dysfunction of the brain, which is specific and noninvasive, and the price is not high. Proper electrode placement, reasonable lead setting and sufficient induction test can help to increase the positive rate of abnormal EEG wave.

Indication of electroencephalogram

Diseases of the central nervous system, especially paroxysmal diseases, such as epilepsy.

Neonatal monitoring with abnormal perinatal period

Post-traumatic brain injury and postoperative monitoring of brain surgery

Monitoring of critical patients

Sleep disorder

Determination of brain death

Electroencephalograph requirements

At least 8 pilots (EEG Holter can 8 Guide) 24 hours dynamic EEG monitoring (EEG Holter) should not be used as a routine electroencephalogram examination using 16 or 18 leads for routine recording of conditional laboratories or for clinical research, more lead records can be applied, and 64 lead EEG is mainly used for intracranial use. Preoperative location of electrode

Sensitivity requirements: generally set to 7 mu v/mm.

Filtering requirements: low frequency filtering should not be higher than 1Hz, and high frequency filtering should not be lower than 70Hz.

Electrode requirements

Scalp electrodes have needle electrodes, tubular electrodes and disc electrodes. Conventional recording advocates the use of disc electrodes.

We recommend that acupuncture needles be used routinely as sphenoidal electrodes. We should pay attention to high pressure disinfection and avoid cross infection.

Electroencephalogram (EEG) and deep electrode electroencephalogram (EEG) used for specific purposes are mainly conducted in the specialized centers for diagnosis and treatment, and are not recommended for routine use.

Electrode placement


According to the recommendations of the international electroencephalogram society, the current 10-20 electrode placement method has become a universal standard method to ensure that the EEG activity in different representative regions on the scalp can be recorded (19 electrodes) which occasionally need to be too small between the two electrodes between the standard parts and the electrodes are too dense. The potential difference can not be reflected effectively

The purpose and attention of EEG inspection

The purpose of EEG examination is to make clear diagnosis and guide treatment.

A check should not reduce the drug, stop the drug, avoid the recurrence of the disease and the possible status of the persistent state of epilepsy benzene two azo drugs may cause a large number of fast wave and affect the interpretation of EEG, can stop the day before the EEG examination, and continue to take other antiepileptic drugs.

The exception is that the location of the epileptic source before surgery should be reduced or even stopped for the purpose of achieving the onset of EEG.

Drawing: tracing time and drawing

The conventional awakening electroencephalogram recording time should not be less than 20 minutes of sleep induced extension time. It should generally include at least the light sleep and sleep stage I and II, and all changes during the period of more than 10 minutes, such as the patient's cough, swallowing, body movement, peripheral interference, etc. as much as possible.

Induced test:

Tracings should include eye opening, flash stimulation, and hyperventilation. Drug induced tests are not recommended because normal persons can also induce epileptic waves induced by drugs and may cause clinical seizures.

Electroencephalogram analysis: visual measurement

At present, no EEG analysis can replace visual inspection successfully. Whether EEG is normal or not is only a statistical concept. It is subjective to analyze EEG. Proper training and experience are very important. The biggest difficulty in EEG analysis is that there is no fixed mode.

EEG analysis, spinous wave, tip wave, slow wave and other abnormal waveforms, except the most basic characteristics, the typical abnormal EEG is easy to recognize, but there are many untypical abnormal epileptic discharges, the form is not fixed, and there is no pattern of electrocardiogram.
Mechanical isolated view of waveform often leads to misjudgement.

In the analysis of electroencephalogram, it is important to pay attention to the analysis of synchronism, bilateral, focal, symmetry, and rhythm of abnormal discharge, especially whether it is repeated, or whether it is consistent with clinical manifestation.

The onset of abnormal fast wave or slow wave rhythm, the sudden change of normal waveform, the decrease of wave amplitude, and the location of abnormal changes during the focal seizure are important to the location of the source of epilepsy.


The principle of determining the results of electroencephalogram

There are three levels to determine the results of electroencephalogram:

Normal electroencephalogram

A slight change in normal background activity, such as the poor wave rate on both sides, the amplitude and the excessive asymmetry, the slight increase of the fast and slow waves, which describe the terms of the marginal and the mild abnormal.

Electroencephalogram: an epileptic discharge or a clear focal slow wave, which describes the term as moderately abnormal, and is described as highly abnormal for a high degree of electroencephalogram and qualitative change.

Generally speaking, simple marginal state and mild abnormal electroencephalogram are of little clinical significance. It is necessary to be careful to make a diagnosis with reference to clinical data. The abnormal electroencephalogram above moderate abnormal EEG is of definite clinical significance; the conclusion of EEG report avoids the conclusion of "light to moderate abnormal".

Pathological wave

Epilepsy is a brain disease characterized by abnormal function of the central nervous system caused by abnormal discharge of brain neurons, and electroencephalogram, as a means to directly record and reflect this abnormal discharge, has an irreplaceable position in the diagnosis of epilepsy and suggests epilepsy, classification of epilepsy syndrome and epilepsy. Source localization is helpful to judge treatment response and as a reference index for drug withdrawal.An epileptic device for diagnosis of epilepsy - electroencephalogram

Introduction

Electroencephalograph (EEG) studies the dysfunction of the brain, which is specific and noninvasive, and the price is not high. Proper electrode placement, reasonable lead setting and sufficient induction test can help to increase the positive rate of abnormal EEG wave.

Indication of electroencephalogram

Diseases of the central nervous system, especially paroxysmal diseases, such as epilepsy.

Neonatal monitoring with abnormal perinatal period

Post-traumatic brain injury and postoperative monitoring of brain surgery

Monitoring of critical patients

Sleep disorder

Determination of brain death

Electroencephalograph requirements

At least 8 pilots (EEG Holter can 8 Guide) 24 hours dynamic EEG monitoring (EEG Holter) should not be used as a routine electroencephalogram examination using 16 or 18 leads for routine recording of conditional laboratories or for clinical research, more lead records can be applied, and 64 lead EEG is mainly used for intracranial use. Preoperative location of electrode

Sensitivity requirements: generally set to 7 mu v/mm.

Filtering requirements: low frequency filtering should not be higher than 1Hz, and high frequency filtering should not be lower than 70Hz.

Electrode requirements

Scalp electrodes have needle electrodes, tubular electrodes and disc electrodes. Conventional recording advocates the use of disc electrodes.

We recommend that acupuncture needles be used routinely as sphenoidal electrodes. We should pay attention to high pressure disinfection and avoid cross infection.

Electroencephalogram (EEG) and deep electrode electroencephalogram (EEG) used for specific purposes are mainly conducted in the specialized centers for diagnosis and treatment, and are not recommended for routine use.

Electrode placement


According to the recommendations of the international electroencephalogram society, the current 10-20 electrode placement method has become a universal standard method to ensure that the EEG activity in different representative regions on the scalp can be recorded (19 electrodes) which occasionally need to be too small between the two electrodes between the standard parts and the electrodes are too dense. The potential difference can not be reflected effectively

The purpose and attention of EEG inspection

The purpose of EEG examination is to make clear diagnosis and guide treatment.

A check should not reduce the drug, stop the drug, avoid the recurrence of the disease and the possible status of the persistent state of epilepsy benzene two azo drugs may cause a large number of fast wave and affect the interpretation of EEG, can stop the day before the EEG examination, and continue to take other antiepileptic drugs.

The exception is that the location of the epileptic source before surgery should be reduced or even stopped for the purpose of achieving the onset of EEG.

Drawing: tracing time and drawing

The conventional awakening electroencephalogram recording time should not be less than 20 minutes of sleep induced extension time. It should generally include at least the light sleep and sleep stage I and II, and all changes during the period of more than 10 minutes, such as the patient's cough, swallowing, body movement, peripheral interference, etc. as much as possible.

Induced test:

Tracings should include eye opening, flash stimulation, and hyperventilation. Drug induced tests are not recommended because normal persons can also induce epileptic waves induced by drugs and may cause clinical seizures.

Electroencephalogram analysis: visual measurement

At present, no EEG analysis can replace visual inspection successfully. Whether EEG is normal or not is only a statistical concept. It is subjective to analyze EEG. Proper training and experience are very important. The biggest difficulty in EEG analysis is that there is no fixed mode.

EEG analysis, spinous wave, tip wave, slow wave and other abnormal waveforms, except the most basic characteristics, the typical abnormal EEG is easy to recognize, but there are many untypical abnormal epileptic discharges, the form is not fixed, and there is no pattern of electrocardiogram.
Mechanical isolated view of waveform often leads to misjudgement.

In the analysis of electroencephalogram, it is important to pay attention to the analysis of synchronism, bilateral, focal, symmetry, and rhythm of abnormal discharge, especially whether it is repeated, or whether it is consistent with clinical manifestation.

The onset of abnormal fast wave or slow wave rhythm, the sudden change of normal waveform, the decrease of wave amplitude, and the location of abnormal changes during the focal seizure are important to the location of the source of epilepsy.


The principle of determining the results of electroencephalogram

There are three levels to determine the results of electroencephalogram:

Normal electroencephalogram

A slight change in normal background activity, such as the poor wave rate on both sides, the amplitude and the excessive asymmetry, the slight increase of the fast and slow waves, which describe the terms of the marginal and the mild abnormal.

Electroencephalogram: an epileptic discharge or a clear focal slow wave, which describes the term as moderately abnormal, and is described as highly abnormal for a high degree of electroencephalogram and qualitative change.

Generally speaking, simple marginal state and mild abnormal electroencephalogram are of little clinical significance. It is necessary to be careful to make a diagnosis with reference to clinical data. The abnormal electroencephalogram above moderate abnormal EEG is of definite clinical significance; the conclusion of EEG report avoids the conclusion of "light to moderate abnormal".

Pathological wave

Epilepsy is a brain disease characterized by abnormal function of the central nervous system caused by abnormal discharge of brain neurons, and electroencephalogram, as a means to directly record and reflect this abnormal discharge, has an irreplaceable position in the diagnosis of epilepsy and suggests epilepsy, classification of epilepsy syndrome and epilepsy. Source localization is helpful to judge treatment response and as a reference index for drug withdrawal.

An epileptic device for diagnosis of epilepsy - electroencephalogram
亚洲国产精品无码ppypp,玩弄丰满老熟妇BBBBB,JULIA无码中文字幕在线视频,亚洲欧美精品一区二区