Respi Drugs Flashcards
Objective evidence of Asthma (2)
- Airflow limitations
2. Variability in lung function
Asthma is worst in what time?
Night time and waking hours
Test for Airflow limitation
Spirometry
Test for Variability in lung function
Bronchodilator Reversibility Test
vs COPD - note reversible
(+) bronchodilator reversibility test (2)
- Inc. in FEV1 of > 12% and >200mL
2. Inc. in PEFR (peak flow meter) >20%
Preferred reliever across all steps in Asthma Management
ICS + Formoterol
Most common: Budesonide (Symbicort)
The only LABA that can act as a reliever?
Formoterol
Why? LABA but has fast onset
SABA
SATURDAY
Salbutamol
Terbutaline
1st line for COPD
Muscarinic antagonist/ Anti-cholinergic
Atropium, Ipatropium, Tiotropium, Oxytropium
Muscarinic antagonist that has M3 and M2 effect
Ipatropium
1-3 methylxanthine
Theophylline
3-7 dimethylxanthine
TheoBROmine
mas matanda si bro
1,3,7 trimethylxanthine
Caffeine
MOA of Methylxanthine
Inhibits phosphodiesterase, non-selective
Methylxanthine is both a ? and ?
Reliever and controller