Patient: My father, a teacher, was found to have emphysema in 1989 during a physical examination. He was admitted to the hospital for about half a month to stabilize the situation, but this time on September 1, the doctor said that the lungs are severely infected, and the lungs are fibrous, and there are large alveoli, and now the situation is very bad. Thank you! Song Chengyun: pulmonary heart disease, right heart failure treatment principles: active control of pulmonary infection, the acute phase of the elderly require adequate amounts of broad-spectrum antibiotics. Active unobstructed airway, sputum drainage smoothly. Active and reasonable oxygen therapy, requiring continuous low flow. Actively improve ventilatory function, and mechanical ventilation should be used for poor drug effects. Use cardiotonic agents with caution. Use diuretics with caution. Use hormones with caution. Use sodium bicarbonate cautiously to correct respiratory acidosis. Use sedatives with caution. Use cough suppressants with caution.