Midmark IQecg Digital IQ ECG Medical MFG 01/2019


In good cosmetic condition, This has not been tested, and is being sold AS IS it is not guaranteed, full functionality is unknown. Being sold AS IS no returns.

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 The IQecg is a portable device that converts a supported Microsoft Windows-based personal computer (PC), be it desktop, laptop, notebook or pen-based, to an electrocardiograph with interpretive capabilities. The device is electronically isolated from the PC and connects to it directly through the USB port. Together with IQmanager Diagnostic Workstation software, the IQecg makes it easy to record 12-lead ECGs, interpret them, archive the reports for future references and share them with colleagues via networks or email. As simple to use as a traditional office ECG device, it features fully integrated PC technology and a host of advanced diagnostic features.


IQecg Performance Specifications



Intended Use

To provide standard 12-lead resting electrocardiogram recordings. 

Physical Characteristics (IQecg acqustion module)

• 3.5” (88mm) x 5.7” (145mm) x 1.2” (30mm) (W x L x H)

 • 10.2oz. 

Anatomical Sites

• Noninvasive device, 12-lead electrocardiogram

Safety Parameters

• Patient electrically isolated from main current supply

• Patient leakage current not to exceed 10 uA. 

• Ground leakage current not to exceed 50 uA

ECG Acquisition

• 12 leads, simultaneous. 

• Input impedance > 100 MegaOhm 

• Frequency response 0.05-150 Hz –3 dB 

• Sensitivity: 5, 10, 20 mm/mV +/- 5% 

• Dynamic range: +/- 10 mV 

• ADC resolution: 13 bits at 2.44 uV/bit 

• Acceptable electrode offset: +/- 300 mV per AAMI and EC-11 specifications. 

• A/D 500 samples/sec.

Patient Connection

• 10-lead patient cable with RFI filter, defibrillator protection and patient isolation.


• Varies by computer system, minimum 1024 x 768 resolution

ECG Analysis & Measurement

• Midmark 12-Lead Resting Electrocardiogram Analysis Program.


• Windows-supported ink-jet or laser printer.


• Plain 8.5” x 11” (Letter size)


Modulating Effects 


The digital sampling techniques used by this device, and the ashychronism between the sample rate and the signal rate, may produce a noticeable modulating effect from one cycle to the next. This variation may be particularly noticeable in pediatric recordings. This phenomenon is not entirely physiologic.


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