Excessive discontinuity and neonatal burst suppression

Criteria & assessment

• Excessive discontinuity has IBIs too long or too voltage-depressed for PMA while bursts retain some age-appropriate patterns or graphoelements.
• Burst suppression has invariant abnormal bursts separated by prolonged IBIs with voltage <5 µV peak-to-peak.
• Permitted activity within burst-suppression IBIs is limited to sparse activity up to 15 µV in one electrode, transient activity up to 15 µV for <2 seconds, or the source-described >2:1 voltage asymmetry in multiple electrodes.
• Burst suppression is unreactive and lacks spontaneous lability; bursts lack recognizable normal graphoelements and should be described as >100 µV or <100 µV, with typical burst and IBI durations and burst-component sharpness recorded.