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27 Cards in this Set
- Front
- Back
How do the SA node, AV node, and purkinje rates change as neonate grows?
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they all decrease rate of firing
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2 main differences in pediatric ECG's are what?
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1. faster rates
2. smaller deflections |
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Are intervals shorter or longer in peds?
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shorter
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Are right axis deviations and inverted t-waves in V1-V3 normal in peds?
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yes
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How often are ECG's correct in peds?
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50% of the time
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Are premature and dropped beats normal in peds?
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yes
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If peds have PVC's and a murmur, what comes next?
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ECHO
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What % of peds with PVC's have MVP?
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10%
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Any patient with syncope, PVC's, or idiopathic seizures needs what done?
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ECG and QT measurement
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If PVC's are suppressed by exercise, is this good or bad? If exercise causes PVC's?
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1. good
2. bad |
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Longer than normal PR or QRS intervals can mean what?
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conduction slowing
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What are some false positive findings in athletes?
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1. LVH
2. Nonspecific ST-T wave changes 3. Q wave changes 4. Low resting heart rates |
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What is most common false positive? What is diagnostic for this?
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1. LVH
2. ECHO |
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How does the HR vary with breathing in peds?
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1. increases with inspiration
2. slows with expiration |
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What is the most common finding on a pediatric ECG?
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sinus tachycardia (usually 100-160)
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What rhythms are normal after surgery?
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SVT or v-tach
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What is an SVT rate in peds?
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150-250
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What can you do to treat SVT in peds?
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1. diving reflex (ice on face)
2. bear down/valsalva |
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Adenosine will not terminate what rhythm?
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primary atrial tachycardia
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When do you cardiovert SVT?
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when infant is unstable; ice and adenosine didn't work
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Can CCB's be given for infants for SVT's? What about digoxin?
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1. no
2. yes |
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Which leads are best to look at for WPW?
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I, V5 and V6
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What is treatment of choice in WPW? What is another drug you can use? What shouldn't you use?
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1. propranolol
2. digoxin 3. never use CCB |
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What is top cause of infant HR drop?
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respiratory failure
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What antibody is most commonly seen in congenital heart block?
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anti-Ro
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VSD closure can cause what to happen?
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transient heart block
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Torsades in peds can be from what deficiency?
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hypomagnesemia
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