Gallant HF

Cardiac Resynchronization Therapy Defibrillator (CRT-D)

MRI Safety

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MRI Safety

The Gallant™ CRT-D is MR Conditional when used with MR Conditional leads for full body scans using a 1.5T or 3T field strength MRI scanner.

For additional information about specific MR Conditional devices and leads, including scan parameters, warnings, precautions, adverse conditions to MRI scanning and potential adverse events, please refer to the Abbott MRI-Ready Systems Manual.

Abbott’s MRI-Ready High Voltage Device Setup for Gallant and Entrant ICD and CRT-D (11:45)

Learn the steps for safely preparing Abbott’s MRI-Ready Gallant and Entrant™ High Voltage ICD and CRT-D devices for an MRI scan.

MRI Scan Parameters

Lead Model	Magnet (Tesla)	RF Transmit Conditions	Scan Region
Quartet™ LV Lead 11456Q (lead lengths: 86 cm) 1457Q (lead lengths: 86 cm) 1458Q, (lead lengths: 86 cm) 1458QL (lead lengths: 86 cm)	1.5T / 3T	Normal Operating Mode	Full-body
Durata™ Defibrillation Lead 7120Q (lead lengths: 58, 65 cm) 7122Q (lead lengths: 58, 65 cm) 7120 (lead lengths: 60, 65 cm) 7122 (lead lengths: 60, 65 cm)	1.5T / 3T
Optisure™ Defibrillation Lead LDA220Q (lead lengths: 58, 65 cm) LDA210Q (lead lengths: 58, 65 cm) LDA220 (lead lengths: 60, 65 cm) LDA210 (lead lengths: 60, 65 cm)	1.5T / 3T
Tendril™ STS Pacing Lead 2088TC (lead lengths: 46, 52 cm)	1.5T / 3T
Tendril MRI™ Pacing Lead LPA1200M (lead lengths: 46, 52 cm)	1.5T
UltiPace™ Pacing Lead LPA1231 (lead lengths: 46, 52 cm)	1.5T / 3T

MRI Settings

MRI Settings	Setting
TACHY Therapy	Disabled
MRI Mode	DOO; VOO; AOO; Pacing Off
MRI Base Rate	30-100 bpm
MRI Paced AV Delay	25-110 ms
MRI RA and RV Pulse Amplitude	5.0 or 7.5 V
MRI RA and RV Pulse Width	1.0 ms
MRI RA and RV Pulse Configuration	Bipolar
MRI LV Pulse Amplitude	0.25-7.5 V
MRI LV Pulse Width	0.05-1.5 ms
MRI LV Pulse Configuration	D1-M2, D1-M3, D1-P4, M2-M3, M2-P4, M3-M2, M3-P4, P4-M2, P4-M3
MRI V Pacing Chamber	RV Only, LV+RV (Simultaneous)
MRI Timeout	3; 6; 9; 12; 24 hours; Off