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level: Level 1 of Chapter 3

Questions and Answers List

Question	Answer
bradycardia rate is	below 60
in sinus bradycardia what might be longer?	QT interval
what can suddenly cause bradycardia?	cold water
tachycardia is seen in patients that experience?	anterior infarction
what do you do for tachycardia?	treat underlying cause
what causes sinus arrhythmia?	changes in intrathoracic pressure
non respiratory sinus arrhythmia is seen in patients that experience?	acute inferior wall MI
if bradycardia is present with sinus arrhythmia what should you do?	IV atropine
main identifying feature of sinoatrial block	gaps in pulse in a multiple of the p to p intervals
what are possible treatments for sinoatrial block?	IV atropine, temporary pacer, or permanent pacer
an impulse in the SA node is created but is not conducted is?	sinoatrial block
no impulse is created	sinus arrest
possible treatments for sinus arrest are?	iv atropine and pacer
sinus arrest is a disorder of	impulse formation
sinoatrial block is a disorder of?	impulse conduction
lead 2 views?	inferior surface of left ventricle
first negative deflection after p-wave	Q wave
pr interval length is?	.12 -.2 seconds
presence of st segment depression in lead 2 suggests?	myocardial ischemia
vagolytic medication that increase heart rate	atropine