Performance specifications

Signal processing

ECG analysis frequency: 500 Hz
ST measurements: ST amplitudes, slope, integral, index, ST/HR slope, ST/HR loops, ST/HR index up to 15 leads
E, J and post-J point: Manual or computer selected
Signal processing: Incremental median updating technique
Baseline correction: Finite Residual Filter (FRF) and/or Cubic Spline analysis
QRS detection and analysis ECG output: Automatic or manual lead selection
ECG output: Real-time ECG/QRS beep/TTL synchronization output
Heart rate: Automatic arrhythmia detection, documentation and annotation, Full-disclosure ECG Beat-to-beat ECG storage & event review
Reanalysis: Post-test medians measurements from E, J and post-J point selections ECG interpretation (Optional) Marquette* 12SL* resting ECG analysis program for adults and paediatrics
Additional ECG function: XTI stress interpretation Vectorcardiography (15 lead)

Data acquisition

Technology: Active, “Type BF” floating isolated powered 14-channel acquisition module with built-in lead-fail detection and lead prep impedance measurement
Sampling rate: Over-sampling @ 4000 Hz
Dynamic range: 320 mV, ± 10 mV signal superimposed on ± 150 mV DC offset
Resolution: 4.88 μV/LSB @ 500 Hz
Noise: < 15 μV peak-to-peak noise over 0.01 to 150 Hz (-3 dB) bandwidth
Frequency response: -3 dB, display and writer
High-pass filter 0.01 (or 0.05 Hz, special use) with DC offset control
Low-pass filter 20, 40, 100, 150 Hz (selectable)
Line filter: 50.0 or 60.0 Hz notch filter (selectable)
Baseline correction: Cubic Spline algorithm
Artefact/baseline correction: Finite Residual Filter (FRF) analysis
Common mode rejection: > 140 dB (123 dB with AC filter disabled)
Input impedance: > 10 M Ohms @ 10 Hz, defibrillator protected
Patient leakage < 10 μA
Pace detect: Orthogonal LA, LL and V6; 750 μV @ 50 μs

Communications/storage options

MUSE Web compatible for retrieval view and printing of MUSE system data
Local storage: Minimum 40 GB hard drive storage of complete ECG record and test results
PDF export of final reports with auto naming protocols also from Microsoft® Word and Excel
XML export of specified data
CASE* network server with editing workstations
Windows® XP operating system

Display

Display type: LCD (flat panel display)
Display resolution (minimum): LCD-1280 x 1024
Display size: 19'' (48 cm) Liquid Crystal Display (LCD)
Monitored leads: 3, 6, 12 or 15
Displayed leads: Number on screen 3, 6, 12 or 15
Display format: 3 rhythm, 3 rhythm + medians, 3 rhythm + trends, 6 rhythm, 4 x 2.5 + 1 rhythm, 2 x 6
Display speeds: 25, 50 mm/s
Display sensitivity/gain 2.5, 5, 10, 20 mm/mV
Displayed vital signs data: (configurable) Heart rate, target heart rate, blood pressure, exercise clock, stage clock, phase clock, protocol, speed, grade, Watts, METS, RRP and SpO2
Displayed data ST scan/median complexes, arrhythmias, ventricular ectopic/min counter, 3 to 12 lead waveforms, lead check torso and 12 leads, waterfall display, trends, tabular summary, stored ECG strips, interpretation, time-of-day clock, patient name, warning messages and prompts

Physical Specifications

Height:148 cm (58 in) with no monitor installed (LCD display rotates vertically and horizontally for optimum viewing)
Width: 62 cm (24 in) with paper tray removed
Depth: 75 cm (30 in)
Weight: 68 kg (150 lb) without monitor