Medicine Which one of the following distinguishes ARDS (acute/adult respiratory distress syndrome) from cardiogenic pulmonary oedema? A Normal Pao2 B Normal pulmonary aerial pressure C Normal aeriala-alveolar gradient D Normal Paco2 💡 Explanation Which one of the following distinguishes ARDS (acute/adult respiratory distress syndrome) from cardiogenic pulmonary oedema? ✓ Correct Answer: B. Normal pulmonary aerial pressure