An 82-year-old man with middle stage Alzheimer's dementia presented to the emergency clinic with poor general condition, productive cough, sputum, wheezing, and falling. He was found on the floor by his neighbors and taken to the hospital. He was left alone for a week Clinical examination revealed crackles in the bilateral lower zones. Chest radiography revealed no significant infiltration, and electrocardiography (ECG) revealed sinus rhythm. No arrhythmia was observed in the rhythm holter group.
