Complete Real Exam Questions And Correct Answers
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PR interval progressively lengthens on consecutively
conducted beats -
ANSWER -second degree av
block type 1
no p waves are blocked but AC conduction (PR time) is
prolonged - ANSWER -
first degree av
block
some p waves are blocked from being conducted through to
the ventricle, the PR interval is constant on those that are
conducted - ANSWER -second degree AV block type 2
atrial and ventricular activity are regular, pr intervals are
variable - ANSWER -
third degree AV
block
rate less than 40 beats per minute and has a wide QRS
- ANSWER -
, Idioventricular
rhythm
vfib, v tach, agonal, ventricular standstill - ANSWER -lethal
every other p wave is blocked somewhere in the AV
conduction system -
ANSWER -second degree AV block 2:1
conduction
Pathway of heart conduction - ANSWER -SA node
Intra atrial pathway
AV node
Bundle of HIS
Right and Left Bundle Branches
Purkinje Fibers
1st degree AV block - ANSWER -prolonged PR interval
2nd degree AV block type 1 - ANSWER -PR interval long,
longer, drop
the drop is a P wave not followed
by a QRS
2nd degree AV block type 2 - ANSWER -Constant PRI w >.2,
random dropped
QRS