Arterial Blood Gases

Question 1

Why do we need arterial blood gases?

Answer 1

adequacy of ventilation during drug therapy, oxygenation and ventilation.

Question 2

What results from ABG and their values

Answer 2

pH: 7.35-7.45, PaCo24.27-6.40(Carbon Dioxide) PaO2:11-14.4 (Oxygen) K+:(Potassium) Na+(sodium) Ca+(Calcium), Lactate: 0.5-1.6 Glucose, Hb

Question 3

pH

Answer 3

enzyme and cell membrane activity

Question 4

low pH 7.38 and causes

Answer 4

Acidosis: increase Co2, over sedation, anaesthesia, respiratory failure T1 and T2, Neuromuscular disease, head trauma

Question 5

high pH 7.45 and causes

Answer 5

Alkalosis: reduced co2, fever, anxiety, pregnancy,

Question 6

type 1 and type 2 respiratory failure

Answer 6

1 just low o2, 2. low o2 high co2

Question 7

HCO3

Answer 7

regulates pH, changes= metabolic problem

Question 8

metabolic or respiratory problem

Answer 8

resp: kidneys correct pH within 2-4days, metabolic: lungs compensate within hours