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The article offers the author's insights on the mental impact on physical health. Topics discussed include author's knowledge about human brain and its functions has remained elemental, the idea that the mind and the body have a medically important relationship, wherein the state of the mind controls the wellbeing of the body, and the role of the state of mind in immunity.

The electrocardiogram is the mainstay approach for diagnosing a myocardial infarction (MI). The diagnosis of an old MI and the identification of myocardial scar via the electrocardiogram are difficult because there are no other specific signs for a non-Q-wave MI. In this article, we will review the fragmented QRS and its role in identifying myocardial scar and depolarization abnormalities in patients with coronary artery disease.