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• PHYSIOLOGIC FUNCTIONS OF NEWBORN NURSING IMPLICATIONS CARDIOVASCULAR ✓ The clamping of the cord stimulates the neonate to take in oxygen through the lungs ✓ Fetal Cardiovascular shunts closes due to the decreased blood pressure in the pulmonary artery. ✓ Pressure in left side of heart is now greater than the right side ✓ Acrocyanosis (cyanosis in feet and hand) and coldness of feet ✓ Provide warmth to the newborn ✓ Administer vitamin K (phytomenadione) intramuscularly in the lateral anterior thigh (vastus lateralis muscle) immediately after birth ✓ Vitamin K dosage: 1 mg (0.1 ml) for term infant G&D Module # 3 NEWBORN Ms. Donnabelle Lumbatan – Abdullah, RN, MAN Ms. Amnah C. Sharief, RN Page | 38 are normal due to slow peripheral circulation for at least the 1st 24 hours. ✓ Total blood volume is about 300 ml. ✓ Hgb- 17-18 g/dL ✓ Hct- 45%-50% ✓ RBC- 6 million/mm3 ✓ WBC- 15000-30k cells/mm3 ✓ Umbilicus contains 2 arteries and 1 vein ✓ Newborn’s intestine is sterile at birth and will take about 24 hours for flora to accumulate and for ongoing vitamin K to be synthesized. This leads to prolonged coagulation or prothrombin time. 0.5 mg (0.05 ml) for a preterm or SGA newborn