An older patient presents with the complaint of coughing-up…
An older patient presents with the complaint of coughing-up mucus. During the history taking portion of the visit the nurse practitioner notes that the patient is describing more than usual sputum production. The nurse practitioner witnesses the patient’s sputum after a cough and notes that the sputum is yellow-green, purulent and sticky, but has no visible blood or streaks of blood. The diagnosis most closely related to this type of sputum is: