PNS And NMB Flashcards
4 monitoring phases
Baseline (no NMB)
Intubation- intub dose NMB
Maintenance- redosing
Emergence- reversal
Order of muscles most resistant to most sensitive 8
VC, diaphragm, orbicularis oculi, abd rectus, adductor pollicis, masseter, pharyngeal, extraocular
% NMB left with: 4 responses, 3 responses, 2 responses, 1 response
<70%, 75%, 80%, 90%
TOF ratio
Use, how to
Non depolarizing blocks. Last divided by first
NMB dosing types
Intubating dose, relaxant dose (after sch for ett), or defasciculating (before sch)
Succ
__ acting. Dose. Larger dose needed when what
Short. 0.5-2 mg/kg. If precurarization w NDMR.
Succ
Onset, DOA, gtt rate
30-60 sec. 3-5 min. 1g/500 ml, 2-4 mg/min or 50-100 mcg/kg/min
Mivacurium
__ acting. Dose. When to use.
Short. 0.2 mg/kg. To avoid myalgia w succ
Mivacurium
Onset, DOA, useful when
2-3 min, 12-20 min. O/P surgery for intubation
Intermediate acting
DOA
Onset- which most rapid
Minimal __ effects
20-30 min. Roc. Circulatory.
How much of dose as priming dose
1/10 of surgical relaxation dose
Doses
Roc
Vec
0.6-1.2 mg/kg
.1-.2 mg/kg
Doses
Atracurium
Cis-atracurium
.2-.5 mg/kg
.15-.2 mg/kg
Long acting muscle relaxants
Onset
Maintenance for which procedure length
Duration
3-5 min, >2 hr procedure, 60-90 min
Long acting muscle relaxants
Drug, dose
Pancuronium
.07-.15 mg/kg
Gtt rate
Atracurium
Vec
Roc
4-12 mcg/kg/min
1 mcg/kg/min
3-12 mcg/kg/min
Gtt rate
Cisatracurium
Mivacurium
0.4-4 mcg/kg/min
3-15 mcg/kg/min
Intubating dose (mg/kg)
Panc
Doxacurium
.1
.05-.08
Intubating dose (mg/kg)
Pipecuronium
Atracurium
.14
.4-.5
Intubating dose (mg/kg)
Vec
Roc
.08-.1
.6-1.2