Cardiac Direct


Universal ECG 12-Channel Resting ECG Machine


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QRS Universal ECG™ 12-Channel Resting Electrocardiogram

The Universal ECG ™ is the easy-to-use, smallest and lightest 12-channel ECG from QRS. Connect the Universal ECG to a PC via USB to acquire, store and analyze up to 12-channels of high-resolution ECG data. The Universal ECG interfaces with Office Medic, bringing diagnostic testing right to the point-of-care.

The Universal ECG, in conjunction with Office Medic, offers 8 report options which are transferable to PDF, JPEG or TIFF formats for easy incorporation into any Electronic Medical Record system. Office Medic software also allows the user to add comments and edit the interpretation. It is available in seven languages: English, German, Spanish, Italian, French, Portuguese and Japanese.

The Louvaine analysis program is the interpretation algorithm available with the QRS Universal ECG. The Louvaine analysis program was found to have the best total accuracy when compared to nine popular competing algorithms by cardiologists¹.

  Control Patients
Ventricular Hypertrophy
Myocardial Infarction
Total Accuracy
Padova   89.8  61.3    47.1   62.0   
Nagoya-Fukuda  89.3  42.6   63.7   65.6   
IBM Medis  91.3  49.4   62.5   67.6   
HP (Agilent)    93.5  51.0   64.5   69.3   
Glasgow  94.0  51.0   67.7   69.7  
GE (Marquette)  86.3  61.1   69.7   69.8  
Means   97.1  42.5   67.2   69.8  
Hannover  86.6  72.1   79.0   75.8  
Louvaine  91.5  67.0   82.1*   77.3*  
8 Cardiologists
Combined Scores
 97.1  64.4   80.3   79.2  

The numbers in the table above represent the percent correct diagnosis. For more detailed information about the Louvaine Analysis Program, please download the QRS Universal ECG Algorithm brochure.

¹Willems, J.L., et al., “The Diagnostic Performance of Computer Programs for the Interpretation of Electrocardiograms”, New England Journal of Medicine (1991); 325: 1767-1773.

Included with each Universal ECG purchase:

  • Universal 12-Channel ECG
  • QRS Resting Tab Electrodes, 100
  • Sure-Lock Snap & Tab Electrode Adapters, 10
  • Lead Placement Guide
  • Office Medic Software
  • 3-year warranty, technical support, and training included

Electrocardiography Accessories

Technical Specifications:

  • Hub Weight: 2250-335 grams (depending on cables)
  • Hub Dimensions: 85 mm x 91 mm x 20 mm
  • Patient Leads Length: Limb – 1 meter, Chest – 0.6 meter
  • PC Connection Length: 1.8 meters USB A Type Connector (USB Version)
  • Electrode Connections: 4 mm Banana plug with “tab” or “snap” connectors
  • Gain Sensitivity: 5, 10, 20 mm/mV
  • Input Range: ±6mV
  • Acquisition Sample Rate: 1000 samples/sec (Compressed to 500 Hz with peak picking and averaging algorithm)
  • Heart Rate Range: 20-170 bpm
  • Frequency Response: 0.05 – 175 Hz ±3dB
  • Safety Standards: Complies with AAMI EC11, EN60601-1, EN60601-2, EN60601-2-25
  • Supply Voltage: 4-16V DC
  • Supply Current: < 17mA DC
  • Permanent Filters: High Pass: 0.05 Hz 1st order, Low Pass: 170 Hz 1st order, Baseline Wander: Baseline reset by adaptive zeroing algorithm
  • Notch Filter (Mains Noise Rejection): 50 Hz 4th Order Butterworth, 49.1 Hz – 50.9 Hz, 60 Hz 4th Order Butterworth, 59.1 Hz – 60.9 Hz
  • Low pass (Muscle Artifact Filter): 35 Hz 4th order
  • Regulations: Manufactured under an ISO 13485 Registered Quality Management System. It is CE marked in accordance with MDD 93/42/EEC and has FDA 510K Clearance.
  • Operating Temperature: 0-40°C
  • Storage Temperature: -20-70°C
  • Humidity: 85% max. (non-condensing)

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