A patient is admitted to the cardiac surgical intensive care unit after cardiac surgery.Four hours after admission to the surgical intensive care unit at 4 PM,the patient has stable vital signs and normal arterial blood gases (ABGs),and is placed on a T-piece for ventilatory weaning.The following information pertains to the 1900 assessment.

\begin{array}{|l|l|}\hline {\text { Assessments and Vital Signs }} & {\text { Nursing Action }} \\\hline \text { Restless } & \text { Performs complete assessment } \\\hline \text { Increased to } 110 \text { beats/min } & \text { Suctions patient for pink, frothy secretions } \\\hline \text { Respirations } 36 \text { breaths/min } & \begin{array}{l}\text { Obtains prescriptions from provider for } \\\text { ABGs, electrolyte levels, and portable } \\\text { chest x-ray }\end{array} \\\hline \text { Blood pressure } 156 / 98 \mathrm{~mm} \mathrm{Hg} & \\\hline \text { Sinus tachycardia } & \\\hline 10 \mathrm{PVCs} / \mathrm{min} & \\\hline \text { Elevated pulmonary artery pressure } & \\\hline \text { Loud crackles throughout } & \\\hline \begin{array}{l}\text { New } \mathrm{ABGs}: \\\text { pH: } 7.28\end{array} & \\\mathrm{PaCO}_{2}: 46 \mathrm{~mm} \mathrm{Hg} \\\mathrm{Bicarbonate:} 22 \mathrm{mE} / \mathrm{L} & \\\mathrm{PaO}_{2}: 58 \mathrm{~mm} \mathrm{Hg} \\\mathrm{O}_{2} \text { saturation: } 88 \%\\\hline\end{array}

What interdisciplinary staff member does the nurse notify to assist in the care of this patient while preparing to give this patient diuretics?
A) Respiratory therapist to adjust ventilator
B) Social worker to notify family
C) Phlebotomy to obtain another set of blood gasses
D) Nursing assistant to help reposition the patient

Oxygen Saturation (SaO2)represents

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Oxygen Saturation (SaO₂)represents

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