For a patient with a Stage III pressure ulcer, a serum albumin level of 2.1 mg/dL is most concerning because it indicates severe hypoalbuminemia, which is associated with poor nutritional status and delayed wound healing. Adequate nutrition, particularly protein intake, is crucial for wound healing. The other lab results, while not ideal, are less immediately critical in the context of pressure ulcer healing. References: = CCRN Exam Handbook, AACN Adult CCRN Certification Review Course

The patient's data indicate that the patient is in shock, which is a life-threatening condition characterized by inadequate tissue perfusion and organ dysfunction. The patient has a low blood pressure, a high heart rate, a fever, and a metabolic acidosis, which suggest that the patient may have septic shock, which is caused by a severe infection that triggers a systemic inflammatory response. The nurse should anticipate an order to administer phenylephrine (Neo-Synephrine), which is a vasopressor agent that constricts the blood vessels and increases the blood pressure and tissue perfusion. Phenylephrine is recommended as a first-line agent for septic shock by the Surviving Sepsis Campaign guidelines1. 8.4% sodium bicarbonate is not indicated for the treatment of septic shock, as it may worsen the acid-base balance and increase the risk of complications2.
0.9% sodium chloride is a normal saline solution that may be used for fluid resuscitation, but it may not be sufficient to restore the blood pressure and may cause fluid overload, hyperchloremia, and kidney injury3.
Amiodarone (Cordarone) is an antiarrhythmic drug that is used to treat ventricular tachycardia or fibrillation, but it is not effective for septic shock and may cause hypotension, bradycardia, and other adverse effects4.
References:
* Surviving Sepsis Campaign. (2020). Surviving Sepsis Campaign: Guidelines on the Management of Critically Ill Adults with Coronavirus Disease 2019 (COVID-19). Retrieved from 1, p. 16.
* Marik, P. E., & Bellomo, R. (2013). A rational approach to fluid therapy in sepsis. British Journal of Anaesthesia, 110(3), 323-329. Retrieved from 2, p. 327.
* Semler, M. W., & Rice, T. W. (2019). Saline versus balanced crystalloids for intravenous fluid therapy in the emergency department: study protocol for a cluster-randomized, multiple-crossover trial. Trials,
20(1), 1-10. Retrieved from 3, p. 2-3.
* Lexicomp Online. (2021). Amiodarone. Retrieved from 4, p. 1-2.

Epidural hematoma

An epidural hematoma is a collection of blood that forms between the skull and the dura mater, the outermost layer of the meninges that cover the brain. The most common cause of an epidural hematoma is a head injury that fractures the temporal bone and tears the middle meningeal artery, which runs along the inner surface of the skull. Arterial bleeding is under high pressure and can rapidly expand the hematoma, compressing the brain and causing neurological deterioration. A typical symptom of an epidural hematoma is a brief loss of consciousness followed by a lucid interval and then a rapid decline in consciousness and brain function. This condition requires urgent surgical evacuation of the hematoma to prevent brain damage or death12. Venous bleeding, clot formation, and intracranial aneurysm are not the main factors associated with the deterioration of the patient's condition in this case.

The clinical presentation of lower left quadrant pain with guarding, abdominal distention, rigidity, and free air in the abdominal cavity on a KUB (kidney, ureter, and bladder) radiograph strongly suggests a perforated bowel. The presence of free air indicates that there is a breach in the gastrointestinal tract, allowing air to escape into the peritoneal cavity. The patient's vital signs, including hypotension (BP 76/40), tachycardia (HR
130), tachypnea (RR 32), and fever (T 101.7°F), are consistent with sepsis and shock, which are common complications of bowel perforation. References: CCRN Exam Handbook, AACN, page 30, section on Gastrointestinal.

Cerebral angiography is considered the gold standard for diagnosing and pinpointing the location, size, and origin of cerebral aneurysms. It involves the use of contrast material injected into the cerebral arteries and imaging to provide detailed visualization of the blood vessels in the brain, which is essential for accurate diagnosis and planning treatment strategies. References: = CCRN Exam Handbook and AACN's Certification Review Course materials.
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