A nurse is assisting the provider to care for trauma patient who has been diagnosed with a hemothorax. Which of the following actions should the nurse perform first to treat this cause of obstructive shock?

A) Prevent the drainage by applying a tight pressure dressing:
Applying a tight pressure dressing is not the appropriate intervention in this case. The presence of fluid draining from the ear, particularly a yellow stain, could indicate cerebrospinal fluid (CSF) leakage, which is a potential sign of a skull fracture or traumatic brain injury (TBI) involving the base of the skull. Applying a tight pressure dressing could potentially increase pressure or cause further injury.

B) Administer antibiotics due to increased risk of infection:
While there is an increased risk of infection with a CSF leak, antibiotics should not be administered immediately unless there is clear evidence of an infection. The priority action is to identify whether the fluid is CSF, as antibiotics alone will not address the underlying issue of a CSF leak. The nurse should allow the fluid to drain, collect a sample, and notify the healthcare provider for further assessment, which may include imaging or testing for the presence of CSF.

C) Allow fluid to drain from the patient's ear onto gauze and notify the healthcare provider:
The yellow stain around the fluid dripping from the patient's ear suggests the possibility of CSF leakage, a sign of a skull base fracture. CSF leakage may occur after a traumatic brain injury and should be handled carefully. The nurse's priority action is to allow the fluid to drain onto gauze to prevent the buildup of pressure and to prevent further leakage into the ear canal. The nurse should also immediately notify the healthcare provider for further evaluation and management.

D) Hang intravenous (IV) fluids to replace fluids lost and prevent dehydration:
While IV fluids may be necessary in some cases for patients with trauma, the priority in this situation is to identify the source and nature of the drainage. If the fluid is CSF, it may be important to manage the leak appropriately rather than focusing solely on replacing fluids. The nurse should first confirm whether the fluid is CSF and notify the healthcare provider for further assessment and management. Replacing fluids may be necessary, but it is not the immediate priority.

A) Prepare for a STAT computed tomography (CT) scan:
A severe headache in a client with a suspected stroke could be indicative of increased intracranial pressure (ICP), a hemorrhagic stroke, or another serious complication like cerebral edema. The priority intervention is to perform a CT scan to determine whether the stroke is ischemic (caused by a blockage) or hemorrhagic (caused by bleeding). This is crucial because the treatment approach for these two types of strokes differs significantly. For example, hemorrhagic strokes require immediate management to control bleeding and reduce ICP, whereas ischemic strokes may be treated with thrombolytics or other interventions. Therefore, preparing for a CT scan is the most urgent action to accurately diagnose the type of stroke and guide treatment decisions.

B) Obtain a 12-lead electrocardiogram (ECG):
While an ECG may be useful in assessing the cardiac rhythm and identifying potential arrhythmias (which can contribute to stroke risk), it is not the priority intervention in a patient with a suspected stroke and severe headache. The primary concern is to identify the type of stroke (ischemic or hemorrhagic), and a CT scan is the most direct way to do this. A 12-lead ECG can be obtained later if cardiac issues are suspected after stroke diagnosis.

C) Start an intravenous infusion of D5W at 100 mL/hr:
Starting an IV infusion of D5W (5% dextrose in water) is not an appropriate priority for a patient with a severe headache and suspected stroke. In fact, administering dextrose solutions may worsen the patient's condition in the case of a hemorrhagic stroke, as it could exacerbate cerebral edema or increase intracranial pressure. Fluid management in stroke patients should be approached cautiously, and IV fluids should be tailored to the patient's specific needs. The focus should be on imaging to determine the type of stroke before initiating interventions like IV fluids.

D) Administer a nonnarcotic analgesic:
While pain relief is important, administering a nonnarcotic analgesic (such as acetaminophen or ibuprofen) is not the priority in this situation. The patient's severe headache could be a sign of a serious complication like increased ICP or hemorrhagic stroke, which requires immediate diagnostic workup, not just pain management. Administering pain medication without understanding the underlying cause of the headache could mask symptoms and delay critical treatment.