Chapter 6 Statistics
Evia HF / HF-T Technical Manual
PAGE 65
6. Statistics
6.1 Statistics Overview
Evia CRT-Ps can store a variety of statistical information. The various statistics consist of such features
as rate histograms, event counters, sensor trends, VES statistics, and activity reports, which are
described in the following sections.
Timing
• Event Counters
• Event Episodes
• Rate Trend 24 hours
• Rate Trend 240 days
• Rate Histograms
Atrial Arrhythmia
• Atrial Burden
• Time of Occurrence
• Mode Switching
Sensor
• Sensor Histogram
• Activity Report
Sensing
• P/R -wave Trends
• Far Field Histogram
• As-Vs Interval Distribution Curve
• Ap-Vs Interval Distribution Curve
Ventricular Arrhythmia
• PVC
• Couplets
• Triplets
• Runs 4…8
• Runs > 8
• High Ventricular Rate Episode Count
Pacing
• Lead Impedance Trends
• Pulse amplitude / Threshold Trend
• Pulse Amplitude Histogram
• Capture Control Status
Heart Failure Monitoring
• Mean Rate
• Heart Rate Variability
• Patient Activity
• Thoracic Impedance
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