A nurse is caring for a newborn who has macrosomia and whose mother has diabetes mellitus. The nurse should recognize which of the following newborn complications as the priority focus of care?

Choice A reason: Disseminated intravascular coagulation (DIC) syndrome is not the correct answer, as it is a coagulation disorder that causes widespread clotting and bleeding in the body. DIC can occur as a complication of severe preeclampsia, but it is not indicated by the laboratory results. DIC would cause a low platelet count, but also a prolonged prothrombin time (PT) and activated partial thromboplastin time (aPTT), and a low fibrinogen level.

Choice B reason: Eclampsia is not the correct answer, as it is a seizure disorder that occurs in clients with severe preeclampsia. Eclampsia can occur as a complication of severe preeclampsia, but it is not indicated by the laboratory results. Eclampsia would cause a high blood pressure, but also a proteinuria, edema, and hyperreflexia.

Choice C reason: Hemolysis, elevated liver enzyme levels, and low platelet levels (HELLP) syndrome is the correct answer, as it is a variant of severe preeclampsia that affects the blood and the liver. HELLP syndrome is indicated by the laboratory results, as it causes a low platelet count, an elevated AST level, and a falling hematocrit. HELLP syndrome would also cause a high blood pressure, a proteinuria, and a right upper quadrant pain.

Choice D reason: Idiopathic thrombocytopenia is not the correct answer, as it is an autoimmune disorder that causes the destruction of platelets by antibodies. Idiopathic thrombocytopenia can affect pregnant women, but it is not related to severe preeclampsia or the laboratory results. Idiopathic thrombocytopenia would cause a low platelet count, but not an elevated AST level or a falling hematocrit.

Choice A reason: Obtaining a type and crossmatch is not the first action that the nurse should take, as it is a preparatory step for blood transfusion, which may or may not be needed. The nurse should first identify the cause and severity of the hypotension, and initiate immediate interventions to stop the bleeding and restore the circulation.

Choice B reason: Administering oxytocin infusion is not the first action that the nurse should take, as it is a pharmacological intervention that requires a prescription and an assessment of the uterine tone and bleeding. The nurse should first evaluate the firmness of the uterus and massage it if needed, to stimulate the contraction and retraction of the uterine muscle.

Choice C reason: Initiating oxygen therapy by nonrebreather mask is not the first action that the nurse should take, as it is a supportive intervention that aims to improve the oxygen delivery to the tissues and organs. The nurse should first address the underlying cause of the hypotension, which is most likely postpartum hemorrhage, and prevent further blood loss and shock.

Choice D reason: Evaluating the firmness of the uterus is the first action that the nurse should take, as it can help determine the source and extent of the bleeding, and guide the subsequent interventions. The nurse should palpate the fundus and check the lochia, and report any signs of uterine atony, which is the most common cause of postpartum hemorrhage.