The patient is brought to the emergency department complaining of sudden onset crushing substernal chest pain. He is pale, diaphoretic, and can only speak in short sentences. His vital signs are notable for a heart rate of 118 bpm, respiratory rate of 22, and a blood pressure of 94/52 mmHg. Upon assessment, peripheral pulses are palpable but weak; lungs are clear; mild jugular venous distention is noted. The emergency medical services administered aspirin on arrival to the scene. The nurse anticipates performing which intervention first? 

The nurse is assisting with a lumbar puncture (LP) and obtains a point-of-care (POC) blood glucose level of 72 mg/dL following the procedure. The cerebrospinal fluid (CSF) glucose level is 28 mg/dL. How does the nurse interpret this result for the CSF glucose level?

A female neonate is born at full term to a mother with late prenatal care. Upon assessment, the nurse notes swelling of the neonate’s feet, a webbed neck, and widely-spaced nipples. Upper extremity pulses are bounding, but lower extremity pulses are barely felt. The nurse anticipates which karyotype result for this neonate?