Respiratory Failure Flashcards
1
Q
What is respiratory failure?
A
Inadequate gas exchange resulting in hypoxia
2
Q
What is hypoxia?
A
PaO2 less then 8kPa
3
Q
What is the difference between type 1 and type 2 respiratory failure?
A
Type one- hypoxia withou hypercapnia
Type two- hypoxia with hypercapnia
4
Q
What causes type 1?
A
V/Q mismatch eg pneumonia, asthma, PE, oedema
5
Q
What causes type 2?
A
Alveolar hypoventilation with or with out V/Q mismatch eg. asthma, COPD, sleep apnoa myestenia gravis guillian barre kyphoscoliosis
6
Q
Symptoms of hypoxia?
A
Breathlessness Cyanosis Confusion Acidosis Chronic- cor pulmonale, Po hypertension
7
Q
Symptoms of hypercarnia?
A
headache drowsi flap or tremour bounding pulse peripheral vasodilation
8
Q
What are some methods of emergency oxygenation/ventilation?
A
Duedal airway
Laryngeal Mask Airway
Endotracheal tube
Cricrothyrotomy
9
Q
What are the normal PaCo2 levels?
A
4.7- 6.1 kPA
10
Q
What are the normal pH levels?
A
7.36-7.44
