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STARN EKG questions with correct answers
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STARN EKG questions with correct answers
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STARN EKG questions with correct answerssinus rhythms originate from Correct Answer-SA node
SA node pace Correct Answer-60-100 bpm
sinus bradycardia rate Correct Answer-60-100 bpm
sinus tachycardia rate Correct Answer-100+bpm
sinus dysrhythmia features Correct Answer-speeds up and slows down
in cyclical manner
- sometimes this cycle follows the pattern of breathing
- HR may increase during inspiration and decrease during expiration
(opposite when pt is vented d/t + pressure of vent)
sinus arrest Correct Answer-pause in heartbeat. occurs when SA node
temporarily stops firing
what medication can cause sinus bradycardia Correct Answer-beta
blockers
what medication to give for sinus bradycardia Correct Answer-atropine
, sinus dysrhythmia may occur as a result of : Correct Answer-digitalis
(digoxin), morphine, conditions w/ increased ICP
atrial dysrhythmias originate in Correct Answer-atrial tissue or
internodal pathways
wandering atrial pacemaker characteristics Correct Answer-pacemaker
shifts between SA node, atria, and/or AV junction
- P waves look different every time
wandering atrial pacemaker causes Correct Answer-- normal finding in
children, older adults, and athletes
- drug toxicity (digitalis)
premature atrial complex Correct Answer-comes a little bit early
compared to rest of P waves
HAS UNDERLYING RHYTHM
do you count PACs as an actual perfusing beat? Correct Answer-yes
what to do if pt has frequent PACs Correct Answer-assess pt and lab
values
- possible early indicator of electrolyte imbalance or CHF
atrial tachycardia rate Correct Answer-150-250 bpm
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