In acute pulmonary edema, which lung finding is commonly heard on exam?

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Multiple Choice

In acute pulmonary edema, which lung finding is commonly heard on exam?

Fluid accumulation in the lungs from acute pulmonary edema fills the interstitium and alveolar spaces. As air moves through this fluid during inspiration, small airways crack open and close, producing crackling sounds (crackles or rales) heard best at the lung bases and often on both sides. This crackle phenomenon reflects the presence of fluid and impaired gas exchange, making it the classic lung exam finding in acute pulmonary edema. Wheezes can occur with airway irritation but aren’t the typical finding for edema alone; diminished breath sounds might occur if there’s a large effusion or substantial atelectasis, and hyperresonance points to excess air in the chest (as in pneumothorax or COPD), not edema.

Fluid accumulation in the lungs from acute pulmonary edema fills the interstitium and alveolar spaces. As air moves through this fluid during inspiration, small airways crack open and close, producing crackling sounds (crackles or rales) heard best at the lung bases and often on both sides. This crackle phenomenon reflects the presence of fluid and impaired gas exchange, making it the classic lung exam finding in acute pulmonary edema. Wheezes can occur with airway irritation but aren’t the typical finding for edema alone; diminished breath sounds might occur if there’s a large effusion or substantial atelectasis, and hyperresonance points to excess air in the chest (as in pneumothorax or COPD), not edema.

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