Vmax Vyntus™ CPX

Gain powerful CPET diagnostics and prognostic value

Vmax Vyntus™ CPX is an accurate and reliable system that measures ventilation, VO2 and VCO2 to determine functional capacity. It can collect full breath-by-breath data for ages from children to adults. Vmax Vyntus CPX can be integrated with the 12-lead Vyntus ECG using SentrySuite® software.

Trusted technology

Vmax Vyntus CPX uses high-end sensor technology like its predecessors, the Oxycon® Pro and Vmax® Encore metabolic carts.

Smart tools that reduce time to results

Automated volume sensor and gas analyzer calibration, and a plug-and-play O2 analyzer optimize operation and minimize downtime.

Easy-to-learn, fast CPET diagnostics

Vmax Vyntus CPX automates test procedures with indicators for upcoming events and features an adjustable post-test evaluation workflow.

Extensive evaluation possibilities

Vmax Vyntus CPX offers many evaluation and adjustment possibilities including slopes, thresholds, ranges, EFVL and RPE.

Interpretation tools

Text macros for commenting, PC interpretation, a classification bar and a possible-limitation graph help interpret testing.


Spirometry at rest and during exercise

Slow/Forced spirometry and MVV help calculate and assess VEmax, breathing reserve and EFVL.


More cardiac solutions

It interfaces with the Tango® monitor and third-party 12-lead ECGs for sports medicine, rehab, pulmonology and cardiology.


Integrated SpO2

A built-in SpO2 unit offers a wide choice of different sensors or interfaces with standalone SpO2 devices.


Modalities that match your needs

You can configure the Vmax Vyntus CPX as a compact tabletop or mobile cart workstation.


Ergospirometry (physiological) Measurement range Accuracy
Ventilation (V'E) 0–300 L/min 2% or 0.5 L/min
O2 uptake (V'O2) 0–7 L/min 3% or 0.05 L/min
CO2 production (V'CO2) 0–7 L/min 3% or 0.05 L/min
RER 0.6–2.0 4% or 0.04
Volume sensor (physiological measurement) Measurement range Accuracy
Volume 0–10 L 2% or 50 mL 
Flow 0–15 L/s 3% or 70 mL/s 
Resolution: 3 mL
Resistance: < 0.1 kPa/L/s at 15 L/s
ATS compliant
O2 analyzer Type: Fully digital, high-speed analyzer, based on electrochemical principle
Measurement range: 0–100 Vol%
Accuracy: 0.05 Vol% or 0.2%
Resolution: 0.01 Vol%
Typ. rise time (T10-90)* 75 ms
Operating life:

Typical 2 years

CO2 analyzer Type: Fully digital, high speed 
analyser based on principle of infrared absorption
Range: 0–15 Vol%
Accuracy: 0.05 Vol% or 1%
Resolution: 0.01 Vol%
Typ. rise time (T10-90)* 75 ms

* Rise time after digital filtering. During every gas calibration, the filter coefficients are specifically optimized for the sensors.

X = Standard feature 
O = Optional feature
Vmax Vyntus CPX supports all of the essential CPET applications
Breath-by-breath cardiopulmonary exercise testing
X
Spirometry, including FVC, SVC, MVV and pre-/post-testing
X
Exercise flow volume loops (EFVL)
X
Entry of RPE scale, BP, blood gases and comments during the test
X
Setting blood gas markers for entry after the test
X
Threshold determinations
X
Slope calculations
X
Editable ranges for rest, warm-up, peak and recovery evaluation
X
Evaluation workflow and interpretation support
X
Indirect calorimetry with mask/mouthpiece (e.g., REE, EE, FAT)
X
Automatic control of bike/treadmill/BP with versatile protocol editor
X
Modalities
Tabletop configuration
X
PC configuration: desktop or notebook
X
Hardware options
Treadmills in various sizes and specifications
O
Cycle ergometers in various models with/without integrated BP monitor
O
Vmax Vyntus ECG
O
GE CardioSoft USB 12-lead ECG
O
Tango® blood pressure monitor
O
SpO2 via Vmax Vyntus CPX
O
Software options
Review Program for post-measurement assessment
X
Report Designer for creating customized reports
X
Predicted Editor for creating predicted sets and authors
X
Profile Editor for creating customized exercise protocols
X
Reports in different formats (PDF, TIFF, JPEG, RTF)
X
SQL database
X
Polar WearLink® interface
X
Blood pressure monitor interface (Tango series)
X
SpO2 monitor interface (compatible with various brands and types)
X
ECG interface (compatible with various brands and types)
O
Blood gas analyzer interface
O
Security/User management
X
Patient data management
X
SQL database interface for queries
O
Bronchial challenge testing
O
Workflow applications
Questionnaire designer
O
Tablet questionnaires
O
Networking with report stations for review and interpretation
O
Web-based review and interpretation through Sentry.NET software
O
EMR, CIS and HIS data integration through SentryConnect
O

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