Cardiology Stress Test GE / Marquette MAX®-1 Exercise Testing SystemGE / Marquette MAX®-1 Exercise Testing System
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MAX®-1 Exercise Testing System
"Intuitive Technology for Today's Diverse Requirements"
• Unity Network™ compatibility facilitates immediate access to the complete patient record.
• Marquette's optional resting ECG analysis program adds clinical versatility.
• Pharmacological Report Option delivers medical record ready, accurate reports.
• Cubic spline baseline correction removes baseline wander without the use of distorting filters.
• TRIM KNOB® control eliminates multiple keystroke functions.
Intuitive menu design eliminates the need to navigate through…
MAX®-1 Exercise Testing System
"Intuitive Technology for Today's Diverse Requirements"
• Unity Network™ compatibility facilitates immediate access to the complete patient record.
• Marquette's optional resting ECG analysis program adds clinical versatility.
• Pharmacological Report Option delivers medical record ready, accurate reports.
• Cubic spline baseline correction removes baseline wander without the use of distorting filters.
• TRIM KNOB® control eliminates multiple keystroke functions.
Intuitive menu design eliminates the need to navigate through multiple layered menus.
• Incremental updating is a beat to beat process that illustrates ST changes for real-time decision making.
• Modular patient cable design lowers maintenance costs
Display
Size: 30.48 cm (12 in) diagonal
Type: High-resolution, raster written
Frequency response: 0.01 to 40 Hz, 0.01 to 20 Hz, user-selectable
Number of traces: 3 rhythm leads
Sweep speed: 25 mm/s
Sweep speed accuracy: ±2%
ECG rhythm: 7.5 s/lead
Leads: User-selectable
Recall report: 10 s of 6 user-selectable leads
Displayed data: Heart rate, target heart rate, blood pressure, total exercise time clock, stage clock, 4 current median complexes, treadmill speed and grade, ventricular ectopic/minute counter, 3 channels of rhythm, protocol and stage of exercise, warning messages and prompts
System
Digital sampling rate: 250 Hz
A/D conversion: 12 bits
Chassis leakage current: <100 mA (meets AAMI standards SCL 1278)
Patient leakage current: <10 mA
Common mode rejection: 130 dB, minimum, up to 180 dB with digital processing
AC elimination: 50/60 Hz digital filter
Electrode offset tolerance: ±320 mVDC
Internal maintenance tests: Automatic self-tests
Diskette drive: 8.89 cm (3.5 in), 2 MB, double-sided, quad-density, MS-DOS format compatible
Processing
ST level and slope determination: Up to 15 leads
Medians: Incremental updating with elimination of artifact and aberrance in all leads
ST level measurement: Manually selectable post J point
Heart rate: 16-beat sliding average updated every beat; minimum 35 beats/m, maximum 300 beats/m
QRS detection: Band-pass filtered composite of three user-selectable leads
Arrhythmia: Automatic detection and documentation
Input
Channels: Simultaneous acquisition of up to 15 channels
Impedance: 100 M1/2, defibrillator-protected
Dynamic range: ±320 mVDC
Electrode offset tolerance: ±320 mVDC
Output
Standard outputs: One analog output, one waveform output, one TTL output with variable pulse width, polarity and delay, QRS beep
Writer
Method: Thermal dot array (horizontal 1000 dots/in at 25 mm/s, vertical 200 dots/in)
Channels: 6, user-selectable
Frequency response: 0.01 to 100 Hz, 0.01 to 40 Hz, 0.01 to 20 Hz, user-selectable
Sensitivity: 5, 10, and 20 mm/mV
Paper speed: 5, 12.5, 25, and 50 mm/s, user-selectable
Paper style: Thermal, perforated, 21.59 cm x 27.94 cm (8-1/2 in x 11 in), Z fold, 300 sheets/pack (European A4 style paper available)
Acquisition Module
Analog sampling rate: 2000 Hz
Microprocessor-controlled: 10 IEC and AHA color-coded leadwires standard, 14 leadwires optional (additional leadwires user-definable)
Keypads
Control panel: Contains manual treadmill, test/procedure, and report controls
Alphanumeric keyboard: With TRIM KNOB control for blood pressure, patient demographics, and impressions entry
Reports
Classical 12-lead : NOTE: Reports can be transferred to the NUSE network by diskette.
Incrementally-averaged medians: With real-time rhythm and ST level; user-selectable in two formats
3- or 6-channel rhythm strips: Available for real-time, recall or arrhythmia documentation (leads user-selectable)
Tabular presentation of final report data including: Phase, stage, speed, grade, heart rate, blood pressure, rate-pressure product, ectopics, maximum ST depression, and physician's impressions
Abbreviated final report: Includes median complexes for pretest and peak exercise/maximum ST levels, impressions entry
Sample cardiac cycles: Presented at user-defined intervals
Trend graph: Heart rate, ST levels, ST slopes, blood pressure, PVCs/m
Power
Power requirements: 90 to 135 VAC, 180 to 270 VAC, 50/60 Hz
Power consumption: 225 W maximum
Physical
Height: 154.94 cm (61.0 in)
Width: 62.23 cm (24.5 in)
Depth: 71.12 cm (28 in)
Weight: 54.48 kg (120 lb)
