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Neurological examination findings in the CZS. Common findings in the neurological examination of infants with CZS. (A) Irritability with constant inconsolable cry. (B) Swan neck position of the second finger caused by dystonic hyperextension. (C) Marked hypertonia leading to an almost stable sitting position right after birth. (D) Dystonic position of the fingers, with flexion of 2–3 and extension of 3–4.
