Reference Ranges Flashcards
0
Q
Heart rate
A
Neonate 140-160 Infant 120-160 3 years 100-140 12 years 80-120 Adult 70-100
1
Q
Respiratory rate
A
Neonate 40 Infant 30 3 years 25 12 years 20 Adult 15
2
Q
Blood pressure (by pulses)
A
Radial - 80-90
Femoral - 70
Carotid - 50-60
3
Q
Blood loss estimation
A
Scalp lacerations - overestimated Chest and abdomen - 2L Isolated chest fracture - 0.25-0.5L Multiple chest fracture - 1-2L Lumbar fracture - 0.5-2L Pelvic fracture - 0.5-3L Femur - 1-2L Tibia - 0.5-1L Shoulder - 1L
4
Q
Blood volume
A
Adult: 7% body mass - approximately 5L
Paeds: 8-9% body mass - approximately (80-90ml/Kg)
5
Q
Intracranial pressure
A
Normal: 10mmHg
Raised: >20mmHg
6
Q
Cerebral perfusion pressure
A
Normal: 50-150mmHg
Blood flow: 50-55ml/min/100g brain tissue
7
Q
Pediatric blood pressure
A
SBP: 70-90 + 2x age in years
DBP: 2/3 SBP
8
Q
Pediatric weight
A
Age x2 + 8
9
Q
Pediatric ETT size
A
Age/4 + 4
10
Q
Cerebral blood flow
A
CBF = MAP - ICP
CBF > 50-70
MAP > 70-90
ICP < 20
11
Q
Fluid bolus in children
A
20ml/kg