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33 Cards in this Set
- Front
- Back
most common causes for suddent death in teenage athletes?
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hypertrophic cardiomyopathy, prolonged QT
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Kids hearts are what deviation?
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right axis
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T waves in children are inverted in what leads
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v1-v3
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rates/intervals in peds are usually ___
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shorter than adults
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many kids can have irregular benign rhythms because
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they have an increased vagal tone
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premature atrial contractions and pvc's are abnormal in children?
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no not necessarily
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PVCS are seens in ___% of children and ___% of teenagers and adult men
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5-10
60% |
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10% of pts with PVCs have
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mitral valve prolapse
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Pt presents with PVCs, first thing is to rule out...
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hypertrophic cardiomyopathy
long qt right ventricular dysplasia |
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any pt w/ PVCs and syncope or idiopathic seizures musttttt
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have an ECG and QTc
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Pt gets PVCs when he exercises... what's this mean
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poor prognosis, better if they are suppressed by exercise
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who's more likely to present with LVH falsely?
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skinny people, less soft tissue between leads
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differential dx for sinus tachy during sleep or rest?
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CHF, fever, thyroid (usually hyperthyroidism), myocardial disease, shock
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a wide QRS in kids is usually a _____ phenomenon
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post-op
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SVT is characterized by....
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narrow QRS
rate 150-250 atrial p-wave often lost in t wave |
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a child has SVT before 4 months versus a child who has an SVT after 5 yrs of age, whats the difference?
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33% will have reoccurence, at the mena age of 8, if they are under 4 months, as opposed to 83% of those who had SVT over the age of 5
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Whats a contraindication for a rectal exam on a child?
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increase intracranial pressure
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Pt comes in with primary atrial tachycardia, why/why not would you give them adenosine?
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Not, because adenosine slows sinus heart rate and is used only for primary ventricular tachycarida
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when would you give a pt synchronized electrical cardioversion
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unstable child who's unresponsive to adenosine or ice
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What would you never wanna give a child for SVT tx?
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verapamil, CCBs
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Describe/outline SVT for infants
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IV adenosinde, diving reflex if no IV, IV Digoxin
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Describe/outline SVT tx for children/adolescents
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IV adenosine and verapamil
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In WPW, the best leads to see the widened QRS are...
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lead I, V5 and 6
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meds for WPW..
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Digoxin- shortens refractory period for alternate pathway, slows conduction in AV node, increases ventricular response to a fib
Propanolol- slows conduction of AV node, tx of choice |
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What is absolutely contraindicated in WPW (drug)
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CCBs, lethal arrhythmias
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Top reasons for an infants HR to drop
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apnea
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3rd degree block is from...
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no association b/w atrial and ventricular beats..basically they do what the fuck they want
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Most common CHD causing 3rd degree block
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L-TGA
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If a pt has a 3rd degree block after he had a VSD repaired and its been a little over two weeks, whats next
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PACEMAKER
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how long do you wait to give a child with a 3rd degree block a pacemaker?
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2 WEEKS
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Characterize a junctional bradycarida...
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40-60 beats a min, p wave will be inverted and can fall before during or after QRS
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A pt is unstable with a lethal rhythm, what should you always do
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SHOCK THEM, bang
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Energy setting for shocking an unstable pt with lethal rhythms
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2 J/kg inital then 4
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