CVR 25-26 Flashcards
% saturation = ?
02 content/02 capacity
What is ABG
arterial blood gas attainted using arterial blood samples and a blood gas analyser
What is the cricial P02
8 kPa 60 mmHg 90%
What is the bohr effects?
increase in Pc02 and H+ causes haemoglobin to release more 02
_____ is increased in exercise, altitude, anaemia and resiratory disease and is reduced in stored blood.
2,3 DPG
02 is transfered acress the placenta because ____ binds to ____ better than _____ due to 2,3 BPG binding poorly to ______?
haem F
Hae A
gamma chains of F
What in anaemia is reduced and what is normal
haemoglobin is reduced and 02 is normal but 02 content is reducted.
What is cyanosis?
blue colouration of skin from less than 85% saturation or cap blood at 70% - possibly raynauds, vosoconstriction, decreased cardiac output heart failure
What are teh 3 ways C02 is caried?
Physically dissolved
Carbamino compounds
Bicarbonate
What is the haldane effect?
Deoxygenated blood carries 02 easier by Hb binding to to C02 as carbamino dropping pH to 7.35
Alveolar C02 is measured as what
end tidal values
