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QRS Universal ECG

QRS offers ready to use electrocardiographs complete with the ECG, electrodes, and Office Medic Software. The portability and ease of use with QRS EKG products allows you to perform resting ECG anytime, anywhere.

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About
About: The Universal ECG uses the Louvaine analysis program which was found to have the best total accuracy when compared to nine popular competing algorithms by cardiologists¹..

 

Control Patients  N=382 Ventricular Hypertrophy N=291 Myocardial Infarction N=547 Total Accuracy N=1220
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 69.7
Means 97.1 42.5 67.2 69.8
Hannover 86.6 72.1 79.0 75.8
Louvaine (Louven) 91.5 67.0 82.1 77.3
8 Cardiologists Combined Scores 97.1 60.4 80.3 79.2

The numbers in the table above represent the percent correct diagnosis.

Red = Highest Score, Green = 2nd Highest Score, Blue = 3rd Highest Score

 

The Louvaine algorithm was also the best in correctly diagnosing myocardial infarction and the second best in diagnosing Ventricular Hypertrophy.  For additional information about the Louvaine algorithm, download the Universal ECG Algorithm brochure.

 

 

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

 

Benefits

    • Incomparable Accuracy – The Universal ECG uses the Louvaine analysis program. The Louvaine algorithm had the best total accuracy of the 9 popular algorithms compared by cardiologists to a standardized database of ECG tracings. (See the About tab for more information.)Multiple Report Options – Office Medic offers multiple options for viewing the Universal ECG reports and they are transferable to PDF, JPEG, or TIFF formats.
      • 3×4 Simultaneous
      • 3×4 Sequential
      • 6×2 ECG
      • 6×1 ECG
      • Averaged Complexes
      • Measurements Report
      • Avg. Zoom Report
      • Zoom Report

      Click here to see a sample 9-page report, page headline on sample report indicates report option (listed above).

      Lightweight & Portable – The Universal ECG weighs less than 12 ounces and can easily be transported to new patient rooms, clinic locations or any off site location where an ECG needs to be performed. Also, no batteries are required for the Universal ECG because it draws its power from the computer (connected via USB port).

       

      Why Perform Diagnostic ECG Tests? – ECG testing has increased the diagnosis of heart disease.  ECGs provide physicians a baseline to compare the health of a heart on a recurring basis.  They also help diagnose, monitor and treat patients with symptoms of heart health issues.  For more benefits and statistics about electrocardiography and reasons for performing ECGs, download our Electrocardiography Key Facts brochure.

Included
The Universal ECG comes equipped with everything you need to begin testing.

 

  •  Universal 12-Channel ECG
  •  QRS Resting ECG Tab Electrodes, 100
  •  Sure-Lock Snap & Tab Electrode Adapters, 10
  •  Lead Placement Guide
  •  Office Medic Software

 

Also included with the Universal ECG is a three-year warranty.  Click here for full details of the hardware warranty.

Specifications

Universal ECG™ Specifications

Hub Weight

 

250-335 grams (depending on cables)

 

Hub Dimensions

 

85 mm x 91 mm x 20 mm (3.3” x 3.6” x .8”)

 

Patient Leads Length

 

Limb Leads: 1 meter Chest Leads: 0.6 meter

PC Connection Length

 

1-3 meters USB A type Connector (USB version)

 

Patient Leads

 

12-Lead Cable (10 Patient Leads)

 

Case Material

 

ABS Plastic

 

Electrode Connection

 

4 mm Banana plug with “snap” or “tab” connectors

 

Display & Operating Console

 

Dependent on PC (Supplied by user)

 

Gain Sensitivity

 

5, 10, 20 mm/mV

 

Speed

 

12.5, 25 and 50 mm/s

 

Input Range

 

±6 mV

 

Acquisition Sample Rate

 

1000 samples/sec.

(Compressed to 500 Hz with peak picking and averaging algorithm)

 

Heart Rate Range

 

30 – 170 bpm

 

Frequency Response

 

0.05 – 175 Hz ±3dB

 

Defibrillation Protection

 

Patient leads are isolated from system and operator, with 4kV protection

 

Common Mode Rejection

 

-60dB (minimum)

 

Safety Standards

 

Complies with AAMI EC11, EN60601-1, EN60601-2, EN60601-2-25

 

Leads Off Indicators

 

Connection status for each lead is shown on Acquisition screen

 

Power Source

 

PC, powered from USB interface

 

Supply Voltage

 

4-16 V DC

 

Supply Current

 

< 17 mA 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

 

Report Capabilities

 

 

User Selectable Report Formats: (1) 3×4 Simultaneous; (2) 3×4 Sequential; (3) 6×2 ECG; (4) 6×1 ECG; (5) Averaged Complexes ECG; (6) ECG Measurements Report; (7) Avg. Zoom Report; (8) Zoom Report

Interpretation

 

Rhythm, Morphology

 

Environmental Conditions

 

 

Operating Temperature: 0-40°C

Storage Conditions: -20-70°C

Humidity: 85% Max. (non-condensing)

Product Information

Thank you for your interest in the Universal ECG ™.


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