HOAG ECG EXAM QUESTIONS AND CORRECT
ANSWERS
110-250 - ans-vtach rate xz xz xz
0.36-0.44 - ans-normal QT interval xz xz xz xz
500 - ans-QT high limit
xz xz xz xz
QT interval - ans-
xz xz xz
represents the total duration of depolarization and depolarization of phases
xz xz xz xz xz xz xz xz xz
HR - ans-the higher the (), the shorter the QT interval
xz xz xz xz xz xz xz xz xz xz
Haldol, tikosyn, amiodarone - ans-three meds that increase QTI
xz xz xz xz xz xz xz xz
atrial pacing - ans-spike appears just before p
xz xz xz xz xz xz xz
ventricular pacing - ans-spike appears just before qrs xz xz xz xz xz xz xz
atrial and ventricular pacing - ans-spike appears before and after p
xz xz xz xz xz xz xz xz xz xz
dual chamber pacing - ans-atrial and ventricular pacing is aka what
xz xz xz xz xz xz xz xz xz xz
1st letter - ans-indicated which chamber will be paced
xz xz xz xz xz xz xz xz
2nd letter - ans-indicates which chamber is sensed by the pacemaking
xz xz xz xz xz xz xz xz xz xz
3rd letter - ans-pacemakers response to sensing the patients natural heart activity
xz xz xz xz xz xz xz xz xz xz xz
AOO - ans- xz xz
pacemaker mode paces in the atria 100% of the time. No sensing capability. (post-
xz xz xz xz xz xz xz xz xz xz xz xz xz
op cardiac surgery or valvular surgery in presence of AV block)
xz xz xz xz xz xz xz xz xz xz
AAI - ans- xz xz
pacemaker mode paces the atria, sensing natural atrial activity, and inhibits pacing if natura
xz xz xz xz xz xz xz xz xz xz xz xz xz
l activity occurs. (Sinus node dysfunction with good AV function, SB, sinus arrest, SA block,
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
afib)
VVI - ans- xz xz
pacemaker mode paces ventricles, senses natural ventricular activity, and inhibitors pacin
xz xz xz xz xz xz xz xz xz xz
g if natural ventricular activity occurs. (Chronic afib, iatrogenic heart block with atrial tacharr
xz xz xz xz xz xz xz xz xz xz xz xz xz
ythmia, atrial paralysis, rare bradys) xz xz xz xz
ANSWERS
110-250 - ans-vtach rate xz xz xz
0.36-0.44 - ans-normal QT interval xz xz xz xz
500 - ans-QT high limit
xz xz xz xz
QT interval - ans-
xz xz xz
represents the total duration of depolarization and depolarization of phases
xz xz xz xz xz xz xz xz xz
HR - ans-the higher the (), the shorter the QT interval
xz xz xz xz xz xz xz xz xz xz
Haldol, tikosyn, amiodarone - ans-three meds that increase QTI
xz xz xz xz xz xz xz xz
atrial pacing - ans-spike appears just before p
xz xz xz xz xz xz xz
ventricular pacing - ans-spike appears just before qrs xz xz xz xz xz xz xz
atrial and ventricular pacing - ans-spike appears before and after p
xz xz xz xz xz xz xz xz xz xz
dual chamber pacing - ans-atrial and ventricular pacing is aka what
xz xz xz xz xz xz xz xz xz xz
1st letter - ans-indicated which chamber will be paced
xz xz xz xz xz xz xz xz
2nd letter - ans-indicates which chamber is sensed by the pacemaking
xz xz xz xz xz xz xz xz xz xz
3rd letter - ans-pacemakers response to sensing the patients natural heart activity
xz xz xz xz xz xz xz xz xz xz xz
AOO - ans- xz xz
pacemaker mode paces in the atria 100% of the time. No sensing capability. (post-
xz xz xz xz xz xz xz xz xz xz xz xz xz
op cardiac surgery or valvular surgery in presence of AV block)
xz xz xz xz xz xz xz xz xz xz
AAI - ans- xz xz
pacemaker mode paces the atria, sensing natural atrial activity, and inhibits pacing if natura
xz xz xz xz xz xz xz xz xz xz xz xz xz
l activity occurs. (Sinus node dysfunction with good AV function, SB, sinus arrest, SA block,
xz xz xz xz xz xz xz xz xz xz xz xz xz xz xz
afib)
VVI - ans- xz xz
pacemaker mode paces ventricles, senses natural ventricular activity, and inhibitors pacin
xz xz xz xz xz xz xz xz xz xz
g if natural ventricular activity occurs. (Chronic afib, iatrogenic heart block with atrial tacharr
xz xz xz xz xz xz xz xz xz xz xz xz xz
ythmia, atrial paralysis, rare bradys) xz xz xz xz
