Mintek LV-T ユーザーズマニュアル

ページ / 172
4  Stratos LV/LV-T Technical Manual   
Magnetic Resonance Imaging (MRI) – Avoid use of magnetic 
resonance imaging as it has been shown to cause movement of 
the CRT-Ps within the subcutaneous pocket and may cause pain 
and injury to the patient and damage to the CRT-P.  If the 
procedure must be used, constant monitoring is recommended, 
including monitoring the peripheral pulse. 
Rate Adaptive Pacing – Use rate adaptive pacing with care in 
patients unable to tolerate increased pacing rates. 
NIPS – Life threatening ventricular arrhythmias can be induced 
by stimulation in the ventricle.  Ensure that an external cardiac 
defibrillator is accessible during tachycardia testing.  Only 
physicians trained and experienced in tachycardia induction and 
reversion protocols should use non-invasive programmed 
stimulation (NIPS). 
High Output Settings – High output settings  combined with 
extremely low lead impedance may reduce the life expectancy of 
the Stratos CRT-Ps.  Programming of pulse amplitudes, higher 
than 4.8 V, in combination with long pulse widths and/or high 
pacing rates may lead to premature activation of the 
replacement indicator. 
1.5.1  Interactions with Other Medical Therapy 
Before applying one of the following procedures, a detailed 
analysis of the advantages and risks should be made.  Cardiac 
activity during one of these procedures should be confirmed by 
continuous monitoring of peripheral pulse or blood pressure.  
Following the procedures, CRT-P function and stimulation 
threshold must be checked.   
Therapeutic Diathermy Equipment   Use of therapeutic 
diathermy equipment is to be avoided for pacemaker patients 
due to possible heating effects of the CRT-P and at the implant 
site.  If diathermy therapy must be used, it should not be applied 
in the immediate vicinity of the CRT-P or leads.  The patient's 
peripheral pulse should be monitored continuously during the 
treatment.