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Hypercalc mie n onatale

. Asymptomatique VomissementsTroubles du tonusHypertensionConvulsions .

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Hypercalc mie n onatale

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    1. Hypercalcémie néonatale

    2. Asymptomatique Vomissements Troubles du tonus Hypertension Convulsions

    3. Étiologies (1) Intoxication à la vit D Hypercalciurie Néphrocalcinose Carence en phosphore des prématurés Hypercalcémie Hypercalciurie Hypophosphorémie Hypercalcémie idiopathique bénigne Hypersensibilité à la vitamine D ou immaturité dela régulation NN 1semaine Calcémie ? 3 mmoles/l Apport de vitamine D normal PTH et Vit D dans le sang N Phosphore un peu augmenté, calciurie N

    4. Étiologies (2) Hyperparathyroïdie primitive Déminéralisation osseuse AEG PTH augmentée Syndrome de Williams Beurens Faciès d’elfe Sténoses vasculaires Retard mental Maladie des langes bleus Défaut du transport intestinal du tryptophane Hypotrophie, irritabilité, constipation Urines bleu indigo Hyperabsorption du calcium

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