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exertional dyspnea; dyspnea on exertion (DOE)

Also see dyspnea. Etiology: - heart disease - myocardial ischemia - bradyarrhythmias - heart failure due to cardiomyopathy - valvular heart disease - acute myocarditis - pericarditis - pulmonary disease - chronic obstructive pulmonary disease - reactive airway disease - interstitial lung disease - pulmonary embolism (presentation may be acute) 32% [3] - pulmonary sarcoidosis - systemic disorders - anemia - hyperthyroidism - aortic dissection (acute presentation) Clinical manifestations: - onset may be subtle & slowly progressive with insidious reduction of activities - chest discomfort may accompany dyspnea Laboratory: - Hgb/Hct - serum TSH - markers of myocardial infarction (serum troponin-I) if acute - pulse oximetry (SaO2) - D-dimer if pulmonary embolism suspected - serum BNP useful for distinguishing cardiac from pulmonary causes of dyspnea [1] Special laboratory: - electrocardiogram - echocardiogram - spirometry - cardiopulmonary exercise stress testing Radiology: - chest X-ray - pulmonary angiography vs ventilation-perfusion scan if pulmonary embolism suspected

General

dyspnea (shortness of breath {SOB})

References

  1. Medical Knowledge Self Assessment Program (MKSAP) 16, 19 American College of Physicians, Philadelphia 2012, 2021 - Medical Knowledge Self Assessment Program (MKSAP) 20 American College of Physicians, Philadelphia 2025
  2. Jani SM, Nallamothu BK, Cooper LT, Smith A, Fazel R. Beating, Fast and Slow. N Engl J Med 2017; 377:72-78. July 6, 2017 PMID: 28679100 http://www.nejm.org/doi/full/10.1056/NEJMcps1608688
  3. Prandoni P, Lensing AWA, Prins MH et al. Prevalence of pulmonary embolism among patients with recent onset of dyspnea on exertion. A cross-sectional study. J Thromb Haemost 2023 Jan; 21:68-75. PMID: 36695397 https://www.jthjournal.org/article/S1538-7836(22)07202-6/fulltext