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Difficulty: MediumGeneral Internal Medicine

Evaluate the following four adult patients who have presented to the emergency department with acute cardiopulmonary distress. Match each patient's clinical presentation to the single most appropriate initial pharmacological or procedural treatment strategy.

  • A 68-year-old man with a 40-pack-year smoking history presents with acute worsening of dyspnea, increased sputum volume, and distinct sputum purulence.Administration of inhaled bronchodilators, systemic glucocorticoids, and targeted antibiotic therapy
  • A 32-year-old woman taking combined oral contraceptives presents with sudden-onset pleuritic chest pain, tachypnea, and a normal chest radiograph.Immediate initiation of therapeutic anticoagulation (e.g., low-molecular-weight heparin)
  • A 58-year-old man presents with severe substernal chest pressure, diaphoresis, and new ST-segment elevations in leads II, III, and aVF.Administration of dual antiplatelet therapy and preparation for urgent percutaneous coronary intervention
  • A 72-year-old man presents with progressive orthopnea, paroxysmal nocturnal dyspnea, an S3 gallop, and bilateral basilar crackles.Administration of intravenous loop diuretics and consideration of non-invasive positive pressure ventilation

Answer

The correct pairings are: the COPD exacerbation is treated with bronchodilators, steroids, and antibiotics; the pulmonary embolism is treated with therapeutic anticoagulation; the acute inferior STEMI is treated with antiplatelet therapy and urgent PCI; and the acute decompensated heart failure is treated with intravenous loop diuretics.
Each clinical vignette provides pathognomonic clues for a specific cardiopulmonary emergency. The COPD patient's three cardinal symptoms necessitate the classic triad of bronchodilators, steroids, and antibiotics. The hypercoagulable young woman with sudden pleuritic pain has a pulmonary embolism requiring anticoagulation. The patient with ST-segment elevations requires immediate mechanical reperfusion via PCI. Finally, the older man with signs of fluid overload (S3 gallop, crackles) requires diuresis to manage acute decompensated heart failure.

Step-by-Step Solution

1
Analyze the first patient's presentation (68-year-old with increased dyspnea and purulent sputum).
Identify acute COPD exacerbation, which requires bronchodilators, steroids, and antibiotics.
The combination of three cardinal symptoms (increased dyspnea, sputum volume, and purulence) warrants the full COPD exacerbation treatment bundle.
2
Analyze the second patient's presentation (32-year-old on OCPs with sudden pleuritic chest pain).
Identify acute pulmonary embolism, which requires immediate therapeutic anticoagulation.
Sudden pleuritic pain and tachypnea in a patient with estrogen exposure is highly suspicious for PE; anticoagulation is the first-line therapy to prevent propagation.
3
Analyze the third patient's presentation (58-year-old with inferior ST elevations).
Identify acute inferior STEMI, which requires antiplatelet therapy and urgent percutaneous coronary intervention (PCI).
ST-segment elevations indicate transmural myocardial ischemia requiring emergent revascularization.
4
Analyze the fourth patient's presentation (72-year-old with orthopnea and S3 gallop).
Identify acute decompensated heart failure (ADHF), which requires intravenous loop diuretics.
The S3 gallop and crackles indicate volume overload and elevated left ventricular filling pressures, which are alleviated by diuresis.

Key Concept

Recognition of classic acute cardiopulmonary emergencies and selection of their first-line, mortality-reducing, or symptom-alleviating interventions.
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General Internal Medicine

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