A 59-Year-Old Patient Is in Severe Respiratory Distress in the Emergency

question 16

Multiple Choice

A 59-year-old patient is in severe respiratory distress in the emergency department.The patient is being treated for congestive heart failure and pulmonary edema.Vital signs are pulse 98 beats/min,respiratory rate 23 breaths/min,and BP 138/98 mm Hg.The patient's ABG results on a nonrebreather mask are as follows: pH 7.35; partial PₐCO₂ 45 mm Hg; PₐO₂ 49 mm Hg; SₐO₂ 79%; and HCO₃⁻ 24 mEq/L.The respiratory therapy that is most appropriate at this time is which of the following?

• A) 6 L/min nasal cannula
• B) 50% air entrainment mask
• C) Mask continuous positive airway pressure (CPAP) with 100% oxygen
• D) Intubate and mechanically ventilate

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Definitions:

24-Hour Output

The total volume of fluids excreted from the body in a 24-hour period, an important measurement in assessing kidney function and fluid balance.

Single-Lumen Catheter

A catheter with one channel for fluid flow, used in various medical procedures for administration or drainage.

Bladder

A hollow muscular organ in the lower abdomen that stores urine until it is expelled from the body.

Separate Lumen

Refers to individual channels within a catheter or medical tubing, allowing for multiple functions or fluid flows through one device.