Criado por gina_evans0312
mais de 10 anos atrás
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Questão | Responda |
Main Methods of Treatment | Inhalation- gets drugs where needed but limits drugs possible |
'Treaters' | Bronchodilators |
Beta-2 Agonists | Used to cause bronchodilation |
SABA | Short acting beta agonists- act in mins, last 3-5 hours |
SABA Example | Salbutamol |
LABAs | Long Acting Beta Agonists- delayed onset, last 12 hours |
LABAs Example | Salmeterol |
Beta Agonist Side Effects | Tremors, palpitations, headache & nervous tension (they can stimulate B1 receptors) |
Theophylline- Effect | Non selective phosphodiesterase inhibition, inc in cAMP and bronchodilation |
Theophylline- Theraputic range | Narrow |
Theophylline- Side Effects | Tremor, nausea, insomnia |
Theophylline- Toxicity | Cardiac arrythmias, convulsions |
Theophylline- Metabolism | CYP450- so any drugs that inhibit metabolising enzymes will inc theophylline levels |
Antimuscarinics- Effect | Block Ach stimulation of smooth muscle |
Antimuscarinics- Ipratropium (Effect) | Short acting muscarinic that binds non selectively |
Antimuscarinics- Ipratropium (Administration) | Water soluble, little enters circulation |
Antimuscarinics- Ipratropium (Timing) | Slow peak of action (30 mins) lasts 3-6 hours |
Antimuscarinics- Ipratropium (Side Effects) | Dry mouth, throat irritation, blurred vision |
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