Mintek Pacemaker LV-T User Manual download pdf (Page 129)

Stratos LV/LV-T Technical Manual 121

4. Real-Time IEGM

Stratos CRT-Ps offer the option of real-time transmission of the

unfiltered intracardiac electrogram (IEGM). In the

Stratos devices, it is possible to simultaneously transmit the

IEGM from all three channels as well as the IEGM marker

channel. The IEGM simultaneously recorded in the four

channels at a scan rate of 256 Hz. All the markers from the

three channels are also transmitted together with the IEGM. The

IEGM and markers together with the surface ECG can be

displayed directly on the screen of the programmer, on a

connected ECG recorded or they can be printed by the

programmer printer.

NOTE:

When interpreting IEGM, any limitations that result from

applying the programmer head (which contains the magnet)

must always be considered.

4.1 IEGM Recordings

The recording of the intracardiac information over a short

period of time before the tachycardic phase provides

valuable details about the arrhthmogenesis of the

tachycardia. An IEGM recoding can be triggered by the

following events:

• High atrial rates (AF recording)

• Mode switching recording

• High ventricular rate recording

• Patient-triggered recording

Every instantaneous recording provides information from

the recording period about:

• The type of triggering event

• Time and date of the recording

• Sensed and paced events in the atrium and the ventricle

including the IEGM, markers and events during the

refractory period an in the PMT protection window.

• Duration of the triggering events

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Mintek Pacemaker LV-T User Manual Page 129