The GE Marquette Case System includes the following:

• Remote viewing function.
• Digital compact acquisition module reduces non-cardiac electrical noise.
• Waterfall Display color maps all exercise ECG tests into one quick and easy to read screen.
• Customizable Stress Chart offers a tabular summary of all test variables for clear, consistent and efficient report generation.

Specifications
GE Marquette Case System Performance Specifications

GE Marquette Case Instrument type:
Unity-enhanced cardiac stress testing system with 14 channel acquisition and programmable, lead configurations. Pentium-based, NT technology platform and hard drive storage delivers local and Catalyst MUSE database access.

GE Marquette Case Signal Processing:
ECG analysis frequency: 500Hz; ST measurements: ST amplitudes, slope, integral, index, ST/HR slope, ST/HR loops, ST/HR index up to 15 leads; E, I and post-I point: Manual or computer selected; Signal processing technique: Incremental median updating; Baseline correction: Cubic Spline or Finite Residual Filter (FRF) algorithm; QRS detection and analysis: Based on 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 record and event review; Reanalysis: Post-test medians re-measurement from E, I, post-I point selections; ECG interpretation: (Optional) 12SL adult and pediatric ECG analysis program; Additional ECG function: Vectorcardiography.

GE Marquette Case Data Acquisition:
Technology: Active, "Type BF" floating isolated powered 14 channel acquisition module with built-in leadfail detection and lead prep impedance measurement; Sampling rate: Over-sampling @ 4000 Hz, 12 leads; Dynamic range: 320 mV, + 10mV signal superimposed on + 150mV DC offset; Resolution: 4.88 u V/LSB @ 500 Hz; Noise: <15u V peak-to-peak noise over 0.01 to 150 Hr (-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; Artifact/baseline correction: FRF algorithm; Common mode rejection:> 140 dB (123 dB with AC filter disabled); Input impedance:> 10MW @ 10 Hz, defibrillator protected; Patient leakage: <10uA Pace detect: Orthogonal LA, LL and V6; 750 uV@ 50us

GE Marquette Case Communications/Storage:
Catalyst MUSE CV system compatible via diskette, network (optional) or modem (optional) MUSE CV Web compatible for retrieval view and printing of Catalyst MUSE CV system data Remote view (optional) of real-time stress test and remote location
Local storage: Minimum 3.2 Gb hard drive storage of complete ECG record and test results
Local network storage (optional)

GE Marquette Case Display
Display type: High-resolution, color 0.25 mm dot pitch raster-written CRT;
Display resolution: 1024 x 768 x 70 Hz refresh;
Display size: 15" (standard) or 17" (optional) diagonal SVGA; Monitored leads: 3, 6 or 12;
Displayed leads: Number or screen 3 or 6 (12 lead check);
Display format: 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, RPP and Sp02;
Displayed data: ST scan/median complexes, arrhythmias, ventricular ectopic/min counter, 3 to 15 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

GE Marquette Case Write
Writer Technology: "Instant" load, thermal dot array;
Writer leads: 3,6,12 or 15 leads (standard, NEHB, Cabrera, configurable);
Writer speeds: 5, 12.5 25 and 50 mm(sec (+2%);
Writer sensitivity/gain: 2.5, 5, 10 or 20 mm/mV (+5%);
Writer resolution: Horizontal 1000 lines/sec x 200 dpi dedicated local printing.
200 x 200 dpi generic printing;
Paper type: Thermal, perforated, fan fold, 300 sheets/pack;
Paper size: A size 214.63 x 280 mm (8.45 x 11 in) A4 size 210 x 297,5 mm (8.27 x 11.7 in)

GE Marquette Case Power Requirements
Power supply: AC operation only; Operation voltage range: 90-135 VAC, 45-63 Hz, 2.8 A; 180-270 VAC, 45-63 Hz, 1.4 A; Power consumption: 350 W max (1200 BTU/Hr) <250 W normal (850 BTU/Hr) <30 W standby (100 BTU/Hr)
GE Marquette Case Physical Specifications
Height: 160 cm (63 in) with 17" monitor installed;
Width: 76 cm (30 in) with paper tray removed 104 cm (41 in) with paper tray;
Depth: 86.5 cm (34 in); Weight: 68 kg (150 lb) without monitor 86 kg (190 lb) with 17" monitor
Interfaces included