图14-3新生儿高氨血症鉴别诊断图ASA：精氨酸琥珀酸图14-4婴儿代谢性酸中毒鉴别诊断图L∶P为乳酸∶丙酮酸PEP，磷酸烯醇丙酮酸婴儿期丙酮酸代谢或呼吸链中的酶缺陷可引起原发性乳酸酸中毒，表现为重度代谢性酸中毒。
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