Questions And Answers Practice Questions with
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what does each small box represent - ANSWER=.04
seconds
3*AVB - ANSWER=rate: 60 - 100 HR
PR intervals vary
R-R constant, P-P constant
some QRS complexes are DROPPED
normal sinus rhythm - ANSWER=rate: 60 - 100 bpm
regularity: regular
,PR: upright., matching, married to QRS
PR: 0.12 - .20, constant
QRS: < .12 secs
sinus bradycardia (SB) - ANSWER=< 60 bpm
regularity: regular
PR: upright, matching, married to QRS
PR: 0.12 - .20, constant
QRS: < .12 secs
sinus tachycardia (ST) - ANSWER=> 101 bpm
regularity: regular
PR: upright, matching, married to QRS
, PR: 0.12 - .20, constant
QRS: < .12 secs
sinus arrhythmia (SA) - ANSWER=rate: varies with
respiratory pattern. you would still log HR when
documenting
regularity: irregular. longest R-R cycle exceeds shortest by
.16 or greater [ inconsistent & irregular ]
P waves: upright, matching, married to QRS
PR: .12 - .20 secs. constant
QRS: <.12 secs
sinus exit block - ANSWER=missing ONE P-QRS-T