Cornell's sign
Cornell's Sign
Cornell's sign (pronunciation: /kɔːrˈnɛl/ kor-NEL) is a medical term used to describe a specific clinical sign in cardiology. The term is named after the Cornell Medical College, where it was first identified.
Etymology
The term "Cornell's sign" is derived from the name of the institution where it was first identified, the Cornell Medical College. The use of the possessive form indicates that the sign is associated with the institution, not a specific person.
Definition
Cornell's sign is a clinical sign observed in patients with hypertrophic cardiomyopathy. It is characterized by an increased duration of left ventricular hypertrophy on an electrocardiogram (ECG). Specifically, the duration of the QRS complex in lead V3 plus the amplitude of the S wave in lead aVL exceeds 28 mm in men and 20 mm in women.
Related Terms
- Hypertrophic cardiomyopathy: A condition in which a portion of the heart becomes thickened without an obvious cause, leading to functional impairment.
- Electrocardiogram: A test that measures the electrical activity of the heart.
- QRS complex: A name for the combination of three of the graphical deflections seen on a typical electrocardiogram.
- Left ventricular hypertrophy: Thickening of the wall of the left ventricle of the heart.
See Also
- EKG: An alternative term for electrocardiogram.
- Cardiology: The study and treatment of disorders of the heart and the blood vessels.
- Clinical sign: Observable evidence of disease in a patient.
External links
- Medical encyclopedia article on Cornell's sign
- Wikipedia's article - Cornell's sign
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