(英文原文)This algorithm is intended to address the evaluation of the innocent murmur of childhood. Since "Time 0" is the initial evaluation by a pediatric cardiologist, the murmur will not have been classified as innocent. Hence, the algorithm is directed at the evaluation of a systolic murmur in an asymptomatic child 2 years of age or older. While many pediatric cardiologists are comfortable diagnosing an innocent murmur on the basis of the history and physical examination alone, some pediatric cardiologists obtain a chest radiogram and/or electrocardiogram. Thus, an ECG and a chest radiogram have been designated as Class II tests at the time of the initial evaluation. Because there are cases for which the history and physical findings are atypical for an innocent murmur, the algorithm provides for echocardiography* in selected cases. Once a murmur is determined to be innocent, further cardiac evaluation is unnecessary.
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