QUESTIONS AND CORRECTLY WELL
DEFINED ANSWERS LATEST ALREADY
GRADED A+ 2026
2nd letter - ANSWERS-indicates which chamber is sensed by
the pacemaking
3rd letter - ANSWERS-pacemakers response to sensing the
patients natural heart activity
AOO - ANSWERS-pacemaker mode paces in the atria 100%
of the time. No sensing capability. (post-op cardiac surgery
or valvular surgery in presence of AV block)
AAI - ANSWERS-pacemaker mode paces the atria, sensing
natural atrial activity, and inhibits pacing if natural activity
occurs. (Sinus node dysfunction with good AV function, SB,
sinus arrest, SA block, afib)