5332611
Description
Flashcards by Aaron Samide, updated more than 1 year ago
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Created by Aaron Samide
over 9 years ago
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| Question | Answer |
| Characteristic triad of asthma | - Airway inflammation - Airway hyper-responsiveness - Reversible airflow obstruction |
| Extrinsic vs. intrinsic asthma | Extrinsic (most) - IgE produced to environmental antigens; associated with eczema, hay fever; starts young Intrinsic - not related to atopy or environmental triggers |
| What movement of the abdomen/diaphragm is a sign of impending respiratory failure? | Paradoxic movement of abdomen and diaphragm on inspiration |
| Most common physical exam finding in asthma | Wheezing |
| On pulmonary function testing, when is airflow obstruction considered reversible? | If inhalation of β2-agonist increases FEV1 or FVC by at least 12% |
| Asthma patients should self-monitor their ____________. | peak flow (peak expiratory flow rate) |
| Peak flow monitoring for patients with mild persistent asthma: 1) How often? 2) What to do if it decreases | Periodic monitoring is sufficient Increase dose of inhaled steroid if decreases |
| Peak flow monitoring for patients with moderate persistent asthma | Daily monitoring required Increase dose of inhaled steroid if decreases |
| Peak flow monitoring for severe persistent asthma patients | Daily monitoring is required Initiate prednisone if decreases |
| CXR in asthma | Normal in mild cases May have hyperinflation if severe Only necessary to get a CXR if asthma is severe (to rule out other conditions) |
| T/F: Hypercarbia is common in asthma patients. | False; HYPOcarbia is common. If PaCO2 is normal or increased, respiratory failure may ensue |
| What blood pressure meds should be avoided in asthmatics? | β-blockers |
| Role of IV magnesium in asthma | Helps with bronchospasm in acute severe exacerbations that don't respond to other meds (inhaled β2-agonists or corticosteroids) |
| In patients with asthma and nasal polyps, you should consider _________ as a diagnosis and avoid _______________. | Aspirin-sensitive asthma Avoid aspirin or any NSAIDs, which may cause a severe systemic reaction |
| T/F: An MDI with a spacer is just as effective as a nebulizer | True BUT patients may report greater symptomatic relief with a nebulizer simply because it provides more medication |
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