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Published byAshley York Modified over 9 years ago
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Are these seizures? The EEG is not conclusive but the CFM is suggestive of seizures
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Normal CFM and continuous EEG
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Trace from infant with non ketotic hyperglycinaemia – note very amplitude CFM and frequent high voltage EEG bursts
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Severe suppression of CFM with low voltage EEG bursts but no clear EEG seizure pattern
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Severe suppression of CFM with low voltage bursts on EEG
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Repetitive seizures – CFM hard to classify – often changes to severe suppression after treatment with anticonvulsants
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Very suppressed CFM with bursts evolving to seizures
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Probable seizure but EEG not characteristic – CFM has normal amplitude
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Severe suppression of CFM with high voltage bursts on EEG
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Variation in CFM amplitude possibly due to change in sleep/awake state; EEG moderately discontinuous
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Artefact – CFM/EEG cannot be classified – initial part of trace appears normal
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Very high voltage seizure discharge – CFM moderately suppressed
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Probable movement artefact rather than seizure - CFM otherwise normal
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Exaggerated sleep wake cycling pattern – common during recovery phase – note movement artefact with nursing care
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Gross artefact - Note abnormal impedance in lower half of slide – CFM trace cannot be interpreted
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Gross artefact probably due to detached electrodes Note abnormal high impedance in lower half of slide – CFM trace cannot be interpreted
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CFM suspicious of frequent brief seizures but EEG not characteristic – full EEG exam needed
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Rapidly recovering CFM trace – EEG initially moderately discontinuous
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Initial very suppressed CFM – sudden increase in amplitude probably due to seizures
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Severely suppressed CFM with some low voltage bursts on EEG and artefact due to handling of infant
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Gross ECG artefact elevating CFM baseline – seizures are also present
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Note seizures – CFM baseline elevated due to ECG artefact
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Note ECG artefact causing elevation of CFM trace
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CFM suspicious of intermittent seizure but not obvious on EEG
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Probable pulse artefact which is abolished by change of position of head
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Frequent seizures
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Seizure on severely suppressed background with frequent low voltage bursts
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ECG artefact resulting in CFM appearing falsely reassuring
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Frequent high voltage sharp waves on EEG causing seizure like elevation of CFM
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Normal continuous EEG activity and normal CFM with some sleep/wake pattern
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Moderately abnormal CFM with artefact due to handling marked
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Moderately abnormal CFM; note compressed scale of EEG trace
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Normal trace initially – second half of trace has artefact
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Normal amplitude with seizures
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Severely abnormal trace with seizures
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Severely abnormal trace with slow seizure discharge
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Severely abnormal trace with frequent seizures in initially
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Severely abnormal trace with seizures
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Severely abnormal trace with high amplitude bursts
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Moderately abnormal trace with burst suppression pattern improving initially
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Moderately abnormal trace improving to a normal trace
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