2. Peds/Neonates Flashcards
narrowest part of airway
cricoid carilage
RR
increased
metabolic consumption
increased
6-8 mL/kg/min
lung compliance
reduced
chest wall compliance
increased
FRC
reduced
head/tongue
larger
nasal passages
narrower
larynx
anterior
cephalad
epiglottis
longer
trachea/neck
shorter
adenoids/tonsils
more prominent
intercostal/diaphragm muscles
weaker
resistance to airflow
greater
neonates and infants are obligate
nasal breathers
CV is dependednt on
HR
HR
increased
BP
reduced
LV
non-compliant
CV summary: peds
1) HR-dependent CO
2) incr HR
3) reduced BP
4) non-compliant LV
5) residual fetal circulation
6) potential difficult venous/arterial cannulation
BSA is _______
larger
how do neonates warm themselves?
brown fat metabolism for nonshivering thermogenesis
what inhibits brown fat metabolism
anesthesia
BSA calculation
BSA = sqrt[(height x weight)/3600]
when does peds renal function normalize
6 months
peds glycogen
reduced which can cause hypoglycemia
peds drug dosing should be
allometric
50th percentile for weight
(Age x 2) + 9
neonate TBW
more than that of an adult
incr TBW =
incr volume of distribution of drug
== higher dosing needed
which pt population has highest anesthetic requirement for inhalational?
3 month olds
fast emergence can cause
incr risk of post-op delerium
volatile agent impact on myocardium
sensitizes myocardium to catecholamines
propofol infusion syndrome SE
HD instabolity
brady
hTN
green urine
propofol infusion most common pt
critically ill children
opioids peds
more pronounced effect due to immature mu receptors
remi dosing for peds
need to increase dosing due to incr clearance
dexmedetomidine nasal sedation dose
1-2 mcg/kg
muscle relaxants
NOT commonly used unless necessary
NDMB dosing
lower dosing due to immature NMJ
Roc IM dose
1-1.5 mg/kg
Roc IM onset
3-4 min
reversal options
1) neostigmine+glyco
2) edrophonium + atropine
**can use sugammadex
sugammadex SE
bradycardia
sux dosing
higher dosing
2-3 mg/kg
what should you give with sux
atropine
sux SE
arrhythmias
hyperkalemia
rhabdomyolysis
myoglobinemia
masseter spasm
MH
Sux + atropine IM dosing
sux IM: 4-6mg/kg
atropine: 0.02 mg/kg
what can incr risk of airway complications?
URTI
2nd hand smoke exposure
risk of aspiration
greater
risk of dehydration
greater
NPO: clear fluids
2 hrs
NPO: milk/formula
4 hrs
NPO: light meal
6 hrs
pre-meds
versed
ketamine
demedetomidine
fentanyl lollipops
versed + ketamine
versed IM
0.25mg/kg
versed oral
0.25-0.7 mg/kg
up to 20 mg
ketamine IM
4-6 mg/kg IM
w/atropine 0.02 mg/kg IM
dexmedetomidine nasal
1-2 mcg/kg nasal
versed+ketamine IM
versed: 0.1-0.15 mg/kg
ketamine: 2-3 mg/kg ketamine IM
mask induction speed
rapid
why is peds mask induction rapid?
high MV:FRC ration
incr CBF
decr B:G coefficient
induction mixutre
70% N2O
30% O2
steal induction
for agitated child
high flow
O2
N2O
8% sevo
common IV locations
saphenous
AC
hand
wrist
IO cannulation size
16-18g needle
how long can you use an IO for?
24 hours
IO CI:
fracture
burn
infection
osteogensis imperfecta
osteoporosis
previous IO attempt w/i 48hrs
recent sx on bone
IO sternum pt population
> 12 years old
IO cannulation sites
sternum
humerus
distal femur
proximal tibia
distal tibia
distal femur IO
1 cm prox to patella
1-2 cm medial
prox tibia IO
1-2 cm inferior and medial to tibial tuberosity
distal tibia IO
2cm prox to medial malleous
ETT meds
Naloxone
Atropine
Vasopressin
Epinephrine
Lidocaine
ETT med dosing
2-2.5x IV dose
dilute with 5-10 mL NS
what should you do after giving ETT meds
ventilate rapidly with large breaths
tube diameter
Age/4 + 4
tube length
Age/2 + 12
when do you use uncuffed ETT
greater than 4.0 size
peds ventilation
almost always mechanical
peds ventilator considerations
limit dead space
peds fluids management
4:2:1
goal directed therapy
buretrol
allows higher acuracy fluid admin
preterm neonate BV
100 mL/kg
full term neonate BV
85-90 mL/kg
infants BV
80 mL/kg
transfusion target critically ill
40%
PLT dose
10-15 mL/kg
FFP dose
10-15 mL/kg
cryo dose
1 unit/10kg weightcva
caudal dosing
2 mg/kg 0.25% marcaine w/epi
needle for caudal
22g
laryngospasm treatment
PPV
jaw thrust
propofol
lidocaine (1-1.5 mg/kg)
muscle relaxant
emergence positioning
rescue position
Croup treament
decadron
recemic epi
- 0.25-0.5 mL 2.25% in 2.5 mL NS
delerium risk factors
preschool
male
sevo/des
ENT
pre-op anxiety
parental anxiety
child temperment
deleriume prophylaxixs
precedex : 0.25-5 mcg/kg before wakeup
propofol bolus
reduced VA