A 77-year-old man with symptomatic coronary atherosclerotic heart disease was admitted for elective coronary revascularization. He had a history of chronic obstructive pulmonary disease due to cigarette smoking and essential hypertension. He was managed on diuretics and a salt-poor, low-cholesterol diet. An echocardiogram revealed left ventricular hypokinesis and atrial enlargement. Wide and notched P waves in standard leads II and III of the electrocardiogram were considered to be related to his chronic obstructive pulmonary disease, which put him at risk for postoperative atrial fibrillation (AF). A cardiac consultant advised adding vitamin C (ascorbic acid) to his management.

1.    b. vitamin C deficiency increases mortality

    c. vitamin C deficiency is common in diabetics

    e. in the past, vitamin C was synthesized by humans

Vitamin C (ascorbic acid) is an essential element in the adult population. It is a cofactor in enzymatic functions necessary for metabolic reactions, such as biosynthesis of collagen,...

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