Obstructive Respiratory Flashcards
0
Q
Emphysema chest X-ray findings
A
large lung volume***
flattened diaphragm
attenuated vascularity in upper lobes
1
Q
FEV1/FVC% obstruction confirmatory value
A
less than 0.7
2
Q
Arterial blood gas criteria for respiratory failure
A
PaO2 50mmHg
at sea level
3
Q
Principle bronchodilators for treatment of COPD are
A
B2-agonists
anticholinergis
methylxanthines
4
Q
Glucocorticoids indicated in what stage COPD
A
Stage III (<50% FEV1 ie severe) or with repeated exacerbations
inhaled
5
Q
Indications for Non Invasive Ventilation
A
pH < 7.35 RR > 30 breath/min PaO2 < 6 kPa PaCO2 > 6 kPa START EARLY
