Anaesthetics - Fluid Balance Flashcards
1
Q
what is the average urine output?
A
500-750mls (1-2mls/kg/hr)
2
Q
what compartments is your body water divided into?
A
ICF
ECF (plasma + interstitial fluid)
3
Q
what compartment in the body stored the most water?
A
ICF is 2/3rds
4
Q
what is the Na/K content in the ECF?
A
Na = 140 K = 4
5
Q
what is the Na/K content in the ICF?
A
Na = 8 K = 151
6
Q
what is a routine maintenance of fluids and electrolytes?
A
25-30mls/kg/day
1mmol/kg/day of Na, K, Cl
50-100g/day glucose
7
Q
what is a crystalloid? e.g?
A
small molecules than increase ECF
NaCl
8
Q
what is a colloid? e.g?
A
remain in the intravascular space and draw fluid from the extravascular space
albumin
9
Q
how much fluid is lost in insensible losses a day?
A
1L
10
Q
what must you remember to also give alongside NaCl?
A
K
11
Q
what can hartmann’s do to a patients blood gases?
A
acidosis
