Physiology Following acute failure of the left ventricle is the hea is man, pulmonary edema generally begins to appear when left atrial pressure approaches A 7 mm Hg B I5 mm Hg C 20 mm Hg D 30 mm Hg 💡 Explanation Following acute failure of the left ventricle is the hea is man, pulmonary edema generally begins to appear when left atrial pressure approaches ✓ Correct Answer: C. 20 mm Hg