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