Online final exam ARDS- damage to the alveolar- capillary membrane. Lungs fill with fluid, pulmonary edema. Shortness of breath, hypoxemia, frothy sputum. High level of CO2. pH is going low- acidosis. Pneumonia- fluid in lungs and fluid is thick and hard to move out of longs. Elderly are at increased risk or pneumonia, sedentary and […]