Fluids Flashcards
What is a generally safe way to replace fluid?
20mL/kg bolus doses of crystalloid.
When should 0.9% saline be used instead of balanced crystalloids?
Hyperkalaemia
Brain injury
What is our water requirement?
30mL/kg/day
What is our sodium requirement?
2mmol/kg/day
What is our potassium requirement?
1mmol/kg/day
What can decrease fluid requirements?
Congestive heart failure
Cardiac disease
Renal failure
Dilutional hyponatraemia
Oedema / ascites
When are balanced crystalloids contraindicated?
Brain injury
Hyperkalaemia
What is the usual trigger for transfusion in the criticlaly ill?
Haemoglobin concentration of <70
(This rule doe not apply in acute bleeding or symptomatic cardiovascular disease)
What fluid is used in coagulopathies?
FFP 4-6 units (about 1L)
What treatment is used to treat bleeding due to warfarin?
Prothrombin X
When should platelets be given?
Thrombocytopaenia
Platelet function disorders
How much does 1 unit of platelets increase platelet count?
10 x 10^9 / L
