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Stratos LV/LV-T Technical Manual 85
CAUTION
Lead Check – Lead check will not lead to disabling of cardiac
resynchronization therapy. It limits the use of the
resynchronization features.
1. Lead check is possible only when the right ventricle is
paced first.
2. Lead check works only when the pacing voltages are
programmed between 2.4 and 4.8 V. The lead check
feature can be programmed OFF in patients that
require cardiac resynchronization therapy.
Care should be taken when programming Stratos CRT-Ps
with Lead Check ON as the device may switch from bipolar to
unipolar pacing and sensing without warning. This situation
may be inappropriate when using a Stratos CRT-P for patients
with an Implantable Cardioverter Defibrillator (ICD). The
following associated message appears when programming
this feature:
“Lead check may result in a switch to unipolar pacing and
sensing, which may be inappropriate for patients with an
ICD.”
Additionally, Lead Check should be programmed OFF before
lead connection as the feature will automatically reprogram
the device to unipolar in the absence of a lead.
Lead Check is temporarily suspended during magnet application
and is inactive during ERI.
NOTE:
In the Stratos CRT-Ps, an automatic lead check cannot be
programmed ON if left ventricular paces are programmed to
occur before right ventricular paces.