Fluids And Electrolytes

Question 1

Recommend H2O intake in a day?

Answer 1

30mls/kg
1ml/kcal
1.5ml/m squared (surface area of body)

Question 2

Insensible water Loss?

Answer 2

50ml/ hr in non stressed patients

Question 3

Potassium Sodium requirement?

Answer 3

Na+: 1.5mmol/kg/day

K+: 1mmol/kg/day

Question 4

What would test results of a dehydrated person show

Answer 4

Increased haematocrit, urea, and albumin

Question 5

What are third space losses?

Answer 5

Fluid losses inside the body in places where they are not used up to maintain fluid balance, etc: ascitis and oedema. Could lead to hypoperfusion

Question 6

What is the mechanism used to give the patient fluid without increasing the stroke volume?

Answer 6

Doppler guided fluid administration

Question 7

What is hartmann’s solution

Answer 7

A solution containing sodium, potassium, calcium, chloride and lactate which turns into HCO3

Question 8

What to give patient with blood loss?

Answer 8

Initially hartmann’s solution
Acute loss: colloid solution, gelofusin
Severe loss: actual, blood