患儿,女,7岁,低热1周,伴双膝部疼痛和阵性腹痛,发病前2周患猩红热。查体:心、肺正常,膝关节未见明显红、肿、热、痛,但活动稍受限。考虑为急性风湿热早期表现,此时重点的临床观察是
A campus emergency ______ occur at any time of the day or night, weekend, or holiday, with little or no warning.
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