head size

The size of the skull is often expressed by the values ​​of the three diameters of the anteroposterior diameter, transverse diameter and high diameter of the skull. The most commonly used indicator is the head circumference. Indicates the degree of development. The patient sat up straight, and the nurse measured the values ​​of the three diameters of the anteroposterior diameter, the transverse diameter and the high diameter. The head of the child clearly exceeds the normal range, that is, 2 standard deviations or even 3 standard deviations of the head circumference of children of the same age and same gender. Basic Information Specialist classification: growth and development check classification: physical examination Applicable gender: whether men and women apply fasting: not fasting Tips: Before the check: Avoid head injuries before checking. Normal value The baby's head circumference is generally between the standard deviation of the head circumference of the same age and the same gender. Clinical significance The abnormal result of the child's head is obviously beyond the normal range, that is, 2 standard deviations or even 3 standard deviations of the head circumference of children of the same age and same gender. Need to check the child's physical examination or abnormal development of the child's head. Precautions Contraindications before inspection: Avoid head injuries before inspection. Requirements for inspection: Do not sit up straight. Inspection process The patient sat up straight, and the nurse measured the values ​​of the three diameters of the anteroposterior diameter, the transverse diameter and the high diameter. Not suitable for the crowd Inappropriate crowd: None.

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