The CASE v6.7 Cardiac Assessment System for Exercise Testing puts the stress on performance.   

Innovative algorithms help you assess cardiac function conveniently during exercise with greater diagnostic confidence. The scalable CASE system combines enhanced networking and smooth connectivity for maximum efficiency and productivity.


Get proven clinical excellence. 

  • Assess cardiac function conveniently during exercise. 
  • Innovative algorithms offer great diagnostic confidence.    

Maximize efficiency and enhance productivity. 

  • Connect your CASE system to a Local Area Network (LAN), and store patient data and test results to a central database. 
  • Physicians can review, edit and print data remotely, so the stress lab can concentrate on testing.

Expand your networking options. 

  • Enhance your digital workflow with connectivity to EMR, MUSE* Cardiology Information System and PACS. 
  • Whether you use a standalone system, a group of workstations or a complete enterprise solution, we have the scalable solution that fits your needs today and tomorrow. 

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Take advantage of scalable IT solutions.


The CASE system is based on an IT platform that pairs enhanced networking and connectivity with data security for advanced productivity you can trust. The CASE system delivers high scalable solutions to meet virtually any facility’s performance and productivity requirements. 

  • Single, network or Enterprise options: for these options, CASE can be configured to maximize productivity and simplify workflow based on your facility’s IT and clinical needs. 
  • CASE networking: Connect your CASE system to a LAN for connectivity solutions that improve productivity. Add CardioSoft* client software to a PC to create a remote workstation for viewing, editing and printing stress data – reserving your CASE system for testing.     

Open system architecture 

GE Healthcare uses industry-standard communication protocols, including HL7, Digital Imaging and Communications in Medicine (DICOM), XML and TCP/IP. 

  • The DICOM Modality Worklist supports bi-directional data exchange and simultaneous review of imaging and ECG data, to improve dual modality procedure efficiency. 
  • The Web view feature allows Internet access to procedure reports from anywhere, with access privileges controlled by your IT department for data security. 
  • Easily connected PC client workstations increase efficiency in report editing and confirmation. Client workstations can be added as your needs grow to support access to multiple CASE systems.     

Security and compliance 

  • CASE protects your data and system with multi-level password login configurations.   

Export flexibility 

  • Send data easily by exporting via PDF, Microsoft® Word, Excel® or XML. 
  • The PDF file name can be automatically generated based on patient demographic data, ensuring an accurate match to patient EMR or HIS files.     

Support services 

GE Healthcare technical support experts are ready to provide: 

  • Installation, 
  • System configuration, 
  • HL7 integration, 
  • Upgrade services 

 Remote support, including 24/7 availability


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 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



Stress Echo brochure

  • Date Created: 4/15/2015
  • Document ID: JB25580XE(1)

SunTech Tango M2

  • Date Created: 4/15/2015
  • Document ID: DOC1411646 Rev2