Q. A 73-year-old woman comes to the emergency department because of shortness of breath. The patient reports the dyspnea is worse lying on her back and is associated with increased cough frequency that produces frothy and blood-tinged mucus. The patient's medical history is significant for hypertension, diabetes, congestive heart failure, and obstructive pulmonary disease. Oxygen saturation is 85 percent. Chest auscultation reveals widespread coarse crepitations. Cardiac examination reveals an S3-gallop. Which of the following is expected in this patient sputum analysis?