What is the most likely suspected diagnosis in an elderly patient with a progressive decline in cognitive status?

The most likely suspected diagnosis of Alzheimer's dementia in an elderly patient with a progressive decline in cognitive status is grounded in the characteristic features of this condition. Alzheimer's dementia is the most common form of dementia, particularly in older adults, and is characterized by gradual and progressive memory loss, language difficulties, and changes in behavior and personality.

In elderly patients, the differential diagnosis for cognitive decline is broad, but the gradual nature of the decline, as described, strongly aligns with Alzheimer's disease. This condition is typically insidious, with symptoms that often first manifest as forgetfulness or confusion followed by cognitive impairment that interferes with daily living activities.

Other conditions listed, such as occult infection and subdural hematoma, while they can lead to cognitive changes, tend to cause more acute changes in mental status. An occult infection may present with confusion or delirium but usually has other accompanying symptoms, such as fever or signs of infection. A subdural hematoma could lead to rapid cognitive decline, but it is usually associated with a specific history of trauma or bleeding tendencies.

Myocardial infarction primarily causes cardiovascular symptoms rather than directly impacting cognitive function unless it leads to significant systemic involvement or post-cardiac complications. Therefore, when considering the typical presentation of cognitive