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Flashcards in Fluid therapy Deck (20)
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1

What is osmolarity?

Osmoles of solute per litre of solution
i.e. how much sugar in 1 litre of coffee

2

What is osmolality?

Osmoles of solute per kg of solvent
i.e. grams of sugar dissolved in kg of coffee

3

What is tonicity?

Measure of osmotic pressure gradient between 2 solutions

4

What proportion of the body's fluid is intra and extra cellular?

2/3 intra
1/3 extra

5

What is the body's fluid requirement?

25-30ml/kg/day

6

What is the body's Na+ requirement?

1-2mmol/kg/day

7

What is the body's K+ requirement?

0.5-1mmol/kg/day

8

What is h body's glucose requirement?

50-100g/day

9

What are the signs and symptoms of hypovolaemia?

Nausea
Thirst
Flat veins
Cool peripheries
No swat
Concentrate oliguria
Low BP

10

What are the signs and symptoms of hypervolaemia?

Breathless
Distended veins
Warm, oedematous veins
Sweaty
High BP and HR
Dilute urine

11

What is the treatment of hypervolaemia?

Watchful waiting
Possible diuretics
If anuric- haemofiltration

12

What are the 4 Rs of fluid prescription?

Resus
Routine maintenance
Replacement
Reassessment

13

What is the advice for fluids in shock?

500ml bolus then reassess

14

What are the types of sensible losses?

Catheters, drain
Vomit
Sputum
Stool

15

What are the types of insensible losses?

Sweat
Ventilation
Open wounds
Burns
Bleeding

16

What are the types of fluid?

Dextrose
Crystalloid
Colloid

17

When are crystalloids used?

Acute dehydration
AKI
Resus
Sepsis

18

When are crystalloids not used?

Hypernatraemia

19

Whenare colloids used?

Liver patients
Intra operative
Bleeding

20

What is the most common colloid used?

Blood