A nurse is assessing a clie”t prior to administering atenolol. Which of the following findings should prompt the nurse to withhold the medication?

Find the concentration of heparin in the solution:

Total heparin (units): 25,000 units

Volume of solution (mL): 500 mL

Heparin concentration (units/mL) = Total heparin (units) / Volume of solution (mL)

Heparin concentration (units/mL) = 25,000 units / 500 mL = 50 units/mL

Set up the flow rate equation:

Desired heparin infusion rate (units/hr): 1600 units/hr

Heparin concentration in solution (units/mL): 50 units/mL

Flow rate (mL/hr): We need to solve for this

Flow rate (mL/hr) = Desired heparin infusion rate (units/hr) / Heparin concentration (units/mL)

Calculate the flow rate (mL/hr):

Flow rate (mL/hr) = 1600 units/hr / 50 units/mL = 32 mL/hr (round to nearest whole number as requested)

Therefore, the nurse should set the IV pump to deliver approximately 32 mL/hr.

A) Hypoxemia:
This is the correct answer. Atelectasis, which is the collapse or incomplete inflation of the lung, can lead to impaired gas exchange and subsequent hypoxemia. As lung volume decreases due to collapse, ventilation-perfusion (V/Q) mismatch occurs, resulting in decreased oxygenation of arterial blood. Hypoxemia is a common finding in individuals with atelectasis and may manifest as decreased oxygen saturation levels on pulse oximetry or arterial blood gas analysis.

B) Apnea:
Apnea, defined as the cessation of breathing, is not typically associated with atelectasis. While atelectasis can contribute to respiratory compromise and may result in respiratory distress, including tachypnea or increased work of breathing, it does not usually lead to complete cessation of breathing.

C) Pleural effusion:
A pleural effusion is the accumulation of fluid in the pleural space surrounding the lungs. While pleural effusion may occur concurrently with atelectasis, it is not an expected finding specifically associated with atelectasis itself. Pleural effusion may cause respiratory symptoms such as dyspnea or chest pain but is not a primary manifestation of atelectasis.

D) Dysphagia:
Dysphagia, or difficulty swallowing, is unrelated to atelectasis. While dysphagia can occur as a result of various conditions affecting the esophagus or neurological control of swallowing, it is not a typical manifestation of atelectasis. Atelectasis primarily affects the lungs and respiratory function rather than swallowing function.