In left-sided heart failure, the patient should be placed in which position to optimize breathing?

• A. Trendelenburg
• B. Supine
• C. High Fowler's
• D. Prone

Answer: (C)

When left-sided heart failure causes pulmonary congestion, sitting the patient up to a high Fowler’s position (head of bed elevated around 60–90 degrees) helps breathing. Being upright reduces venous return and preload, which eases pulmonary venous pressure and decreases edema in the lungs. It also allows the chest and diaphragm to expand more effectively, reducing the effort required to breathe and improving oxygenation.

In contrast, lying flat worsens orthopnea and dyspnea by increasing venous return and diaphragmatic crowding. Trendelenburg would further increase venous return, and prone positioning isn’t a standard relief for this scenario.