Examkin

Soru

Zorluk: OrtaPharmacologic Interventions

A 66-year-old man is brought to the emergency department by his wife due to a 3-day history of progressively worsening shortness of breath, increased cough, and a change in his sputum from clear to thick, dark yellow. He has a 40-pack-year smoking history and was diagnosed with chronic obstructive pulmonary disease (COPD) five years ago. His home medications include a once-daily umeclidinium-vilanterol inhaler and an albuterol rescue inhaler, which he has used eight times today with minimal relief. He has no other major medical conditions. Temperature is 37.8°C (100.0°F), blood pressure is 146/88 mmHg, pulse is 114/min, and respiratory rate is 26/min. Pulse oximetry shows 88% on room air. The patient is using accessory muscles of respiration. Physical examination reveals a barrel-shaped chest, a prolonged expiratory phase, and diffuse bilateral wheezing. There is no jugular venous distention or lower extremity edema. A chest radiograph reveals hyperinflation without focal consolidation, pneumothorax, or pleural effusion.

Which of the following pharmacologic interventions should be included in the immediate management of this patient? (Select all that apply, indicating hangileri doğrudur)

  1. Inhaled albuterol and ipratropiumCevap
  2. Oral prednisoneCevap
  3. Oral azithromycinCevap
  4. D
    Intravenous propranolol
  5. E
    Oral ciprofloxacin

Cevap

The correct interventions are inhaled albuterol and ipratropium, oral prednisone, and oral azithromycin.
The correct options represent the triad of standard care for acute exacerbations of COPD (AECOPD). The patient presents with all three cardinal symptoms (increased dyspnea, increased sputum volume, and increased sputum purulence), which strongly indicates the need for antibiotics. Therefore, the combination of short-acting bronchodilators (inhaled albuterol and ipratropium) to provide rapid airway smooth muscle relaxation, systemic glucocorticoids (oral prednisone) to decrease airway inflammation and edema, and a macrolide antibiotic (oral azithromycin) to target common respiratory pathogens (including S. pneumoniae, H. influenzae, and M. catarrhalis) constitutes the optimal immediate pharmacologic strategy.

Adım Adım Çözüm

1
Analyze the patient's clinical presentation and vital signs.
The patient has progressively worsened dyspnea, increased sputum volume, increased sputum purulence, hypoxia, and diffuse wheezing.
To accurately diagnose an acute exacerbation of chronic obstructive pulmonary disease (AECOPD) and determine its severity based on the cardinal symptoms.
2
Determine the necessary classes of pharmacologic interventions for AECOPD.
Standard management requires the triad of short-acting bronchodilators, systemic corticosteroids, and (due to the presence of purulent sputum) antibiotics.
To acutely reverse airflow obstruction, reduce airway inflammation, and treat underlying bacterial triggers contributing to the exacerbation.
3
Evaluate the specific medication choices provided in the options.
Select albuterol/ipratropium (bronchodilators), prednisone (corticosteroid), and azithromycin (antibiotic with good S. pneumoniae coverage). Reject propranolol and ciprofloxacin.
Propranolol is strictly contraindicated due to the risk of worsening bronchospasm. Ciprofloxacin is inappropriate due to insufficient coverage of Streptococcus pneumoniae.

Anahtar Kavram

The acute management of COPD exacerbations relies on three main pharmacologic pillars: short-acting bronchodilators, systemic glucocorticoids, and appropriate empiric antibiotics (when sputum purulence is present) that cover common respiratory pathogens. Interventions that exacerbate bronchospasm must be strictly avoided.
Bu soruyu puanla

Konular

Pharmacologic Interventions

Bu konudan daha fazla soru