Community Acquired Pneumonia in Older Adults

Participants enrolled in supplemental study will swallow different barium containing liquid and food boluses types that are captured on fluoroscopic imaging in real time.

Participants enrolled in supplemental study will be administered radiotracer (Tc-99m-Sulfur Colloid) orally and static images of the chest will then be obtained at specified intervals over the next 2 hours to determine location of the radiotracer.

"The research specialist will conduct ten 1 tsp water swallows, one cup sip of water and a 3 ounce water swallow test with the patient. After each swallow, the participant is asked to say ah so that their voice quality can be assessed."

Patients will have sputum collected during stay (ED participants only)

A blood test to help determine if the infection is viral or bacterial (ED participants only)

To image the lungs (ED participants only)

To measure respiratory pressures.