CardioSoft ECG

Integrate your metabolic cart with a 12-lead ECG system

Our Vmax® metabolic carts seamlessly integrate with the CardioSoft 12-lead electrocardiogram (ECG) system for resting, baseline and stress measurements. 

Arrhythmia documentation

Annotation and classification arrhythmia detection quickly and efficiently documents arrhythmias during exercise stress testing.

Ease of use

The device provides continuous storage of up to 12 leads for safety and color-coded arrhythmias for easy viewing.

T-wave alternans morphology

An ECG pattern specific to cardiac repolarization results in a T-wave morphology alternation on an every-other-beat basis.

Baseline correction and artifact resolution

Cubic spline and finite residual filtering provide baseline correction and artifact resolution, with ST measurements.

Automatic data transfer

Patient data automatically transfers between CardioSoft ECG and our metabolic carts.

Adaptable interface

The comprehensive interface encompasses a wide range of treadmills and ergometers.

Exportable data

Data can be exported to Microsoft® Word® and Excel® files.


The CardioSoft ECG can be used for integrated stress ECG or resting ECG.

CardioSoft ECG
Signal processing
ECG analysis frequency: 500 Hz
ST measurements: ST amplitudes, slopes, integral, index, ST/HR loops, ST/HR index up to 15 leads
E, J and post-J point: Manual or computer selected
Signal processor 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/ITL synchronized output
Reanalysis: Post-test medians measurements from E, J and post-J point selections
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 at 40,900 Hz, 12 leads
Dynamic range: 320 mV, +-10 mV signal superimposed on +-150 mV DC offset
Resolution: 4.88 µV/LSB at 500 Hz
Noise: < 15 µV peak-to-peak noise over 0.01–150 Hz (-3 dB) bandwidth
ECG analysis frequency: 500 Hz
ST measurements
High pass filter: 0.01 Hz with DC offset control
Low pass filter: 20 Hz, 40 Hz, 1,200 Hz, 150 Hz (selectable)
Line filter: 50.0 Hz 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: > 10 MOhm at Hz, defibrillator protected
Patient leakage: < 10 µA
Pace detect: Orthogonal LA, LL and V6; 750 µV at 50 µs

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