Acanthosis Nigricans

Acanthosis nigricans Acanthosis nigricans is a skin disorder in which there is darker, thick, velvety skin in body folds and creases.It presents as velvety brown thickened skin of the neck,axilla and over the joints of the fingers and toes. Causes of Acanthosis Nigricans 1. Familal 2. Obesity-related.The majority of cases are associated with obesity and otherwise idiopathic. This is […]

Aortic Stenosis (AS)

Aortic Stenosis (AS) Aortic stenosis (AS) is a disease of the heart valves in which the opening of the aortic valve is narrowed.The aortic valve is the valve located between the left ventricle of the heart and the aorta, the largest artery in the body, which carries the entire output of blood to the systemic […]