. Although it may well be unreliable and illogical, is a well-known habit to form firm, lasting, and definite first impressions. That they are often ^accurate and always superficial is to be admitted, but nevertheless they frequently form the basis of our later estimations and prejudice our views for good or evil, the more so when the situation is a new one to us, or one whose arrival we have b...

The J point is defi ned as the junction of the end of the QRS complex and the onset of the ST segment. The ST segment is between the J point and the onset of the T wave. If the J point is elevated or depressed with reference to the isoelectric line, which is defi ned as the baseline formed by the TP segment, the ST segment is diagnosed to be elevated or depressed respectively (Fig 1). During si...