Abnormalities compression atelectasis asbestos cancer

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Unformatted text preview: inflammation (pneumonia) – Inconsistent aeration (obstructions, compressions, fluid) – Inconsistent circulation (embolism, circ. abnormalities) Compression Atelectasis Asbestos Cancer Tuberculosis Objective 3 Objective • For the respiratory drug groups identify: – Therapeutic uses - Clinical mode of action – S.E. & Cautions - Examples, when indicated in class • Respiratory Gases (oxygen, carbon dioxide, nitric oxide) • Respiratory Stimulants (direct, reflex stimulants) • Bronchiodilators including “respiratory antiinflammatories” – – – – – – • • • • Sympathomimetic drugs Xanthines Anticholinergics Asthma prophylactic (cromolyn) Leukotriene Receptor Antagonists Corticosteroids Antitussives (narcotic, nonnarcotic) Demulcents Expectorants Nasal Decongestants Respiratory Gases: Oxygen Respiratory • Therapeutic Uses – hypoxia and hypoxemia – general anesthesia to increase safety (esp. if COPD) – carbon monoxide poisoning • Mechanism of Action – increase dissolved O2 in blood • Cautions – prevent CO2 accumulation • artificial ventilation often necessary – respiratory tract irritation and substernal soreness • keep O2 below 60% – blindness in premature infants • keep O2 below 40% - vascular proliferative disease of retina Respiratory Gases: Carbon Dioxide Respiratory • Therapeutic Uses (usually 5% to 10% CO2) – carbon monoxide poisoning • increases the dissociation of CO and Hb – general anesthesia (speeds up ventilation) • Faster anesthesia and faster recovery – respiratory depression (limited use) • use mechanical ventilation and O2 therapy – postoperative use to stimulate ventilation (limited use) • Alternatives: deep breathing, frequent turning • Mechanism of Action – s...
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