Abstract

The article "Response of Hypertensive Adolescents to Dynamic and Isometric Exercise Stress" which appears in this issue of Pediatrics (p 579) raises a number of interesting and practical questions for pediatricians. For example, What is hypertension? What does hypertension mean to the child or youth? Should the youth with hypertension be allowed to participate in competitive athletics? What is the role of exercise testing in the evaluation of hypertension? What additional information does it provide? WHAT IS HYPERTENSION? Blood pressure (BP) is the resultant of cardiac output (CO), and systemic vascular resistance (SVR). Because CO and SVR vary from one person to another, it is not surprising that there is a wide range of normal BP values.

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