An unconscious patient was admitted to the emergency department.
The patient was found to have consumed multiple drugs including acetaminophen, opiates, benzodiazepines, and others that are unknown.
The patient was given naloxone (Narcan), flumazenil (Romazicon), and activated charcoal. What precautions should be taken for the patient? (Select all that apply)
Seizure precautions
Aspiration precautions
Suicide precautions
Fall precautions
Correct Answer : A,B,D
Choice A rationale:
Seizure precautions are necessary because:
The patient has ingested multiple drugs, some of which can lower the seizure threshold, such as benzodiazepines. Naloxone, while reversing opioid overdose, can also precipitate seizures in some individuals.
Flumazenil, used to reverse benzodiazepine overdose, can also induce seizures, especially in patients with a history of epilepsy or benzodiazepine dependence.
The potential for drug interactions and unpredictable effects of multiple drug ingestion further increases the risk of seizures. Specific seizure precautions include:
Placing the patient in a bed with padded side rails. Having oxygen and suction equipment readily available.
Keeping intravenous access open for potential administration of anticonvulsant medications. Closely monitoring the patient's neurological status for any signs of seizure activity.
Choice B rationale:
Aspiration precautions are crucial due to:
The patient's unconscious state, which impairs their ability to protect their airway.
The possibility of vomiting, which can occur as a side effect of naloxone or flumazenil administration.
The potential for aspiration of gastric contents, which can lead to serious respiratory complications, such as pneumonia. Specific aspiration precautions include:
Positioning the patient on their side in the recovery position. Continuously monitoring the patient's respiratory status.
Having suction equipment ready to clear the airway if necessary.
Considering intubation and mechanical ventilation if the patient's airway is compromised.
Choice D rationale:
Fall precautions are essential because:
The patient is unconscious and may be disoriented or uncoordinated upon regaining consciousness.
The effects of the ingested drugs, as well as the medications administered, can impair balance and coordination. Falls can result in serious injuries, such as head trauma or fractures.
Specific fall precautions include:
Keeping the bed in a low position with side rails up.
Assisting the patient with ambulation when they are able to move. Ensuring the patient's environment is free of tripping hazards.
Providing close supervision and assistance as needed.
Choice C rationale:
Suicide precautions are not routinely implemented in this scenario because:
The patient's primary presentation is drug overdose, not active suicidal ideation or attempts.
The focus of care is on addressing the immediate medical complications of the overdose and stabilization.
However, a thorough suicide risk assessment should be conducted once the patient is medically stable to determine if ongoing suicide precautions are necessary.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Choice A rationale:
Calcitonin (Fortical) is a hormone that lowers blood calcium levels. It is not indicated for the treatment of hypocalcemia caused by parathyroid hormone deficiency. In fact, it could worsen the condition by further reducing calcium levels.
Calcitonin is primarily used to treat hypercalcemia (high calcium levels) and osteoporosis.
It works by inhibiting osteoclast activity, which reduces bone resorption and calcium release into the bloodstream.
Choice B rationale:
Calcium is the essential mineral for treating hypocalcemia. It directly replenishes calcium levels in the blood.
Calcium can be administered orally (PO) or intravenously (IVPB), depending on the severity of the hypocalcemia and the patient's condition.
Oral calcium is often preferred for mild to moderate hypocalcemia, while IV calcium is typically used for severe hypocalcemia or when rapid correction is necessary.
Calcium supplements are available in various forms, including calcium carbonate, calcium citrate, and calcium gluconate. The dosage of calcium will be individualized based on the patient's serum calcium levels and clinical response.
Choice C rationale:
Vitamin B12 is not directly involved in calcium regulation. It is essential for red blood cell production and nerve function. While vitamin B12 deficiency can sometimes be associated with hypocalcemia, it is not a primary treatment for this condition. Choice D rationale:
Vitamin D3 (Calcitriol) is a hormone that aids in calcium absorption from the intestines. It is often used in conjunction with calcium supplements to treat hypocalcemia.
However, vitamin D3 alone is not sufficient to treat hypocalcemia caused by parathyroid hormone deficiency. Parathyroid hormone is essential for activating vitamin D3 in the kidneys, so its deficiency limits the effectiveness of vitamin D3.
Correct Answer is B
Explanation
Choice A rationale:
Digoxin is a cardiac glycoside, not a calcium channel blocker. It works by increasing the force of contraction of the heart muscle and slowing the heart rate. However, it is not typically used as a first-line treatment for tachycardia. It's more commonly used to treat heart failure and atrial fibrillation.
Mechanism of action: Digoxin inhibits the sodium-potassium ATPase pump in cardiac cells, leading to an increase in intracellular calcium. This increased calcium availability enhances myocardial contractility. Digoxin also indirectly affects the autonomic nervous system, leading to a decrease in heart rate.
Key points:
Digoxin is not a calcium channel blocker.
It's used primarily for heart failure and atrial fibrillation.
Its mechanism of action involves increasing intracellular calcium and decreasing heart rate.
Choice B rationale:
Diltiazem (Cardizem) is a calcium channel blocker that is commonly used to treat tachycardia and manage heart rate. It works by blocking the movement of calcium into cardiac cells, which slows down the electrical conduction system of the heart and leads to a decrease in heart rate.
Mechanism of action: Diltiazem blocks L-type calcium channels in cardiac and vascular smooth muscle cells. This reduces calcium influx, leading to:
Decreased myocardial contractility Vasodilation (relaxation of blood vessels)
Negative chronotropic effect (decreased heart rate)
Negative dromotropic effect (slowed conduction through the AV node) Key points:
Diltiazem is a calcium channel blocker.
It's effective in treating tachycardia and managing heart rate.
Its mechanism of action involves blocking calcium channels, leading to various cardiovascular effects.
Choice C rationale:
Nitroglycerin is a vasodilator, not a calcium channel blocker. It works by relaxing the smooth muscle in blood vessels, which widens the vessels and allows more blood to flow through them. This can help to relieve chest pain (angina) and lower blood pressure, but it does not directly affect heart rate.
Mechanism of action: Nitroglycerin is metabolized to nitric oxide, which activates guanylate cyclase, leading to increased production of cyclic guanosine monophosphate (cGMP). cGMP causes smooth muscle relaxation, resulting in vasodilation.
Key points:
Nitroglycerin is a vasodilator, not a calcium channel blocker. It's primarily used for angina and hypertension.
Its mechanism of action involves nitric oxide-mediated vasodilation.
Choice D rationale:
Nitroprusside (Nipride) is a potent vasodilator, not a calcium channel blocker. It is typically used in critical care settings to manage severe hypertension or heart failure. It works by relaxing the smooth muscle in blood vessels, which widens the vessels and allows more blood to flow through them. This can help to lower blood pressure, but it does not directly affect heart rate.
Mechanism of action: Nitroprusside directly releases nitric oxide, leading to vasodilation. Key points:
Nitroprusside is a potent vasodilator, not a calcium channel blocker.
It's used in critical care settings for severe hypertension or heart failure.
Its mechanism of action involves direct nitric oxide release and vasodilation.
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