Peds Numbers Barry
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Oral airway sizes: | Preterm –000,00
Neo <3months-0
3-12 months-1
1-5yrs - 2
> 5yrs - 3
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ETT sizes for premies: | Less than 2 gm - 2.5
Over 2 gm - 3.0
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ETT sizes for neonates: | 3.0-3.5
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ETT size for 0-6 months: | 3.5
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ETT size for 6-12 months: | 4.0
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ETT sizes for 12-18 months: | 4.0-4.5
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ETT size for 2 yr: | 4.5
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ETT sizes for 2-3 yrs: | 4.5-5.0
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ETT size for 4 yr olds and over: | Age + 16 / 4
OR
Kg + 35 / 10
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Depth of insertion of ETT for children based on weight up to 4 kg: | 1 kg - 7 cm
2 kg - 8 cm
3 kg - 9 cm
4 kg - 10 cm
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For a child from 4 kg up to 1 yr ETT should be how deep? | 10 cm
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Depth of insertion of ETT based on age greater than one yr? | Age / 2 + 12
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Depth of insertion of ETT based on internal diameter of ETT? | Internal diameter X 3
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Where do you want your pediatric ETT to leak? | 20-25 cm H2O
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You should change to a smaller ETT when it leaks above what number? | 30 cm H2O
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Leaving in an ETT that didn't leak until over 30 cm H2O can cause what? | Post extubation croup.
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Change to a larger ETT when you have a leak at less than what number? | 15 cm H2O
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Cuffed tubes are rarely needed at less than what age? | 8-10.
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When using cuffed tube, how does your size determination change? | You reduce your size by 0.5
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What Miller sizes for what ages? | Miller 0 - preterm, neonate
Miller 1 - neonate-age2
Miller 2 - 3 and older
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LMA sizes for what kilograms? | 1 - less than 5 kg
1.5 - 5-10
2 - 6.5-25
2.5 - 20-30
3 - 25-small adult
4 - large adult
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Reservoir bag sizes for what ages? | Newborn - 0.5L
1-3 yrs - 1L
3-5 yrs - 2L
Over 5 - 3L
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IV catheter sizes for what ages? | 24 g neonates, 22 g 1-5 yrs, 20 g over 5.
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Size of infusion bag should not exceed: | Patient's estimated fluid deficit.
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Microdrip set with volume limited device is mandatory for what ages? | Under 10.
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What's an ideal pediatric anesthesia breathing system? | Low dead space
Low resistance
Lightweight and compact
Low compression volume
Easily humidified
Easily scavenged
Suitable for both controlled ans spontaneous ventilation
Economy of fresh gas flow
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What's the most commonly used breathing system in infants? | Mapleson D.
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Bain circuit is: | A Mapleson D with fresh gas flow tubing inside corrugated breathing tube.
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For traditional mask induction, what percentage of gases? | 30% O2, 70% N2O.
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For single breath induction, what percentage Halothane or Sevoflurane? | 5% or 8 %.
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What nerve stimulates laryngospasm (sensory)? | Superior laryngeal nerve.
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Risk factors for laryngospasm? | AGE
EXTUBATION
AIRWAY
URI
LIGHT ANESTHESIA
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How can you tell if laryngospasm is partial or complete? | Presence of sound:
Yes - incomplete airway obstruction
No - laryngospasm!
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Preventative measures against laryngospasm: | Extubate in stage 3 or 1
Stretch the larynx with jaw thrust
Suction while deep
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Ketamine pediatric induction dose: | 2 mg/kg IV - 4-8 mg/kg IM
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Diprivan pediatric induction dose: | 2.5 - 3.5 mg/kg
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Intubating doses of sux: | 2mg/kg infants
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What's the most commonly used breathing system in infants? | Mapleson D.
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Bain circuit is: | A Mapleson D with fresh gas flow tubing inside corrugated breathing tube.
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For traditional mask induction, what percentage of gases? | 30% O2, 70% N2O.
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For single breath induction, what percentage Halothane or Sevoflurane? | 5% or 8 %.
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What nerve stimulates laryngospasm (sensory)? | Superior laryngeal nerve.
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Risk factors for laryngospasm? | AGE
EXTUBATION
AIRWAY
URI
LIGHT ANESTHESIA
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How can you tell if laryngospasm is partial or complete? | Presence of sound:
Yes - incomplete airway obstruction
No - laryngospasm!
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Preventative measures against laryngospasm: | Extubate in stage 3 or 1
Stretch the larynx with jaw thrust
Suction while deep
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Ketamine pediatric induction dose: | 2 mg/kg IV - 4-8 mg/kg IM
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Diprivan pediatric induction dose: | 2.5 - 3.5 mg/kg
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Intubating doses of sux: | 2mg/kg infants
1mg/kg older kids
2mg/kg IM
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Intubating dose of roc: | Rocuronium - 0.6 mg/kg
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Fentanyl for pediatric surgery: | FENTANYL- 1-2 UQ/KG SUPPLEMENT OR MAJOR 5 UQ/KG & INFUSION 2-4 UQ/KG/HR
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“Sundown sign of Imminent Awakening" | Contraction of the rectus muscle of the eye causing the eyeball to look downward toward the toes.
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What could be the cause of a blue but well ventilated child? | PFO
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What's the treatment for a blue but well ventilated child with a PFO? | 100% O2 & it will resolve.
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Etiology of child with PFO turning blue on emergence? | Emergence will cause increase in increase in PVR leading to R to L shunt- cyanosis.
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What approximate percentage of exhaled agent do you NEVER want to extubate at? | 0.15-2%
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Criteria for awake extubation: | Grimacing using eyebrows and forehead, opens eyes
Spontaneous eye movement
Purposeful movement, reaching for endotracheal tube
Opens mouth with oral suction
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You can assess the adequacy of your fluid replacement by urine output, which should be... | 1-2 ml/kg/hr.
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EBV for various ages: | Preterm - 90-100
Term - 80-90
3mo-1yr - 70-80
Child - 70
Obese - 60-65
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For infants and neonates a sudden drop in BP = | Sudden drop in volume (blood loss).
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What can you replace 1 mL of blood with? | - 3 mL of crystalloid
- 1 mL of colloid
- 1 mL of whole blood
- .5 mL of PRBC
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What is the crit of PRBC? | 75%
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How much PRBC to give (formula)? | PRBCs (ml) = [(blood loss –ABL) x desired Hct] ÷ Hct of PRBCs (75%)
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