P2/P1 Ratio
Cerebral Compliance Audit
Percussion Wave
Tidal Wave
Ratio > 1.0 is hallmark of impending intracranial decompensation.
Morphology Analysis
Analyze the CSF pulse pressure waveform by comparing P2 and P1 peaks to assess intracranial compliance and reserve status.
Guidelines & Evidence
Verified
Last Review: 2026
Last Comprehensive Review: 2026
