A lumpectomy is a breast-conserving surgery that removes a tumor and a small margin of surrounding tissue, preserving most of the breast.

Varicose veins are enlarged, twisted veins that typically appear in the legs. They occur when the valves in the veins fail to function properly, causing blood to pool and the veins to swell.

Symptoms may include confusion, fatigue, weakness, and in severe cases, coma.

Treatment involves reducing ammonia levels through medications and dietary changes.

Yes, certain medications, especially those metabolised by the liver, can influence ammonia levels.

Liver disease, kidney dysfunction, and urea cycle disorders can impact ammonia metabolism.

A blood sample is drawn from a vein in the arm and sent to a laboratory for analysis.