Determination of which one of two or more diseases or conditions a patient is suffering from by systematically comparing and contrasting results of diagnostic measures.
Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D000006
Abdomen, Acute
A clinical syndrome with acute abdominal pain that is severe, localized, and rapid in onset. Acute abdomen may be caused by a variety of disorders, injuries, or diseases.
Abdomens, Acute,Acute Abdomen,Acute Abdomens
D000368
Aged
A person 65 years of age or older. For a person older than 79 years, AGED, 80 AND OVER is available.