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15
×
How can we support chronotropy?
Overdrive pacing
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×
baam
Lose 25 points!
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fairy
Take points!
5
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25
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rocket
Go to first place!
Okay!
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banana
Go to last place!
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eraser
Reset score!
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gold
Win 50 points!
Okay!
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fairy
Take points!
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25
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lifesaver
Give 25 points!
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20
×
What is AV dissociation?
The atria and ventricles are beating independentlyโP waves and QRS complexes are no longer linked.
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15
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Why is AV dissociation bad in JET?
Atria to contract against a closed tricuspid valve. Blood to back up into the venous system. Leading to decreased CO.
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20
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What does AV dissociation look like on ECG?
If Atach and 3rd degree linked. P waves are either absent, inverted, or marching through without a consistent PR interval.
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25
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What will you see in CVP tracing?
Cannon A waves
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monster
Reset all scores!
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gold
Win 50 points!
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shark
Other team loses 20 points!
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thief
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25
5
×
What is JET?
A junctional tachyarrhythmia
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25
×
Why are neonates more at risk?
Small size = more surgical manipulation; immature calcium handling in myocardium (sarcoplasmic reticulum - immature and can't store/release Ca).
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15
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Your patient is post-op Norwood with a Sano shunt. On arrival to the CICU, their core temperature is 34.9ยฐC. To warm or not to warm?
High risk for JET. Plan target temp with team. 35.5-36.0. Rewarm slowely.
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10
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What type of onset and offset does JET typically have?
Gradual โ has a โwarm-upโ and โcooling-downโ phase.
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15
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Why is rewarming dangerous JET?
Too fast = โ metabolic demand and risk for JET. Always rewarm slowly.
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10
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Name any procedure that increases the risk for JET
Any surgery that involves manipulation near AV node/His bundle. VSD, TOF, AVSD, Truncus, Single Vent palliation
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boom
Lose 50 points!
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fairy
Take points!
5
10
15
20
25
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rocket
Go to first place!
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lifesaver
Give 15 points!
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10
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How does JET affect cardiac output?
Loss of atrial kick + fast HR = โ filling time โ โ stroke volume โ โ CO
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