The nurse is assessing a post-operative client and notices that the client's urine is brown and they are experiencing muscle rigidity. The vital signs are T: 102.5 F; HR: 112; RR: 20 and BP 124/84. What is the most appropriate nursing action?
Give the ordered dose of dantrolene.
Call the physician for an order for metoprolol.
Increase the rate of lactated Ringer's.
Ask the physician to order liver function tests.
The Correct Answer is A
Choice A Reason:
Dantrolene is used in the management of malignant hyperthermia, a life-threatening complication characterized by muscle rigidity and elevated temperature, often triggered by certain anesthetics. The patient's symptoms of muscle rigidity and brown urine, which may indicate myoglobinuria, along with elevated temperature and heart rate, are suggestive of this condition. Dantrolene acts by reducing calcium release from the sarcoplasmic reticulum of skeletal muscle, thereby reducing muscle contraction and metabolic demand.
Choice B Reason:
Metoprolol, a beta-blocker, is not the first-line treatment for symptoms suggestive of malignant hyperthermia. While it can reduce heart rate and blood pressure, it does not address the underlying pathophysiology of malignant hyperthermia and is not indicated in this scenario.
Choice C Reason:
Increasing the rate of lactated Ringer's solution is not the primary intervention for malignant hyperthermia. While maintaining hydration is important, it does not directly counteract the pathophysiological processes at play in malignant hyperthermia.
Choice D Reason:
While liver function tests can be important in assessing overall organ function post-operatively, they are not the immediate priority in a suspected case of malignant hyperthermia. The priority is to treat the acute and life-threatening symptoms first.
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Related Questions
Correct Answer is B
Explanation
Choice A Reason
While some medications for hypertension can cause visual side effects, it is not the most immediate concern when a patient reports blurred vision. Medication-related side effects are important to consider, but they typically present consistently rather than intermittently.
Choice B Reason
An ophthalmic examination is crucial for evaluating intermittent blurred vision in a client with hypertension. Hypertension can lead to hypertensive retinopathy, where high blood pressure causes damage to the blood vessels in the retina, potentially resulting in blurred vision or vision loss. An eye exam can help diagnose this condition and prevent further complications.
Choice C Reason
Blurred vision can indeed be associated with hypertension, particularly in severe cases or hypertensive crises. However, it is not considered a 'common' problem but rather a sign of potential end-organ damage, such as hypertensive retinopathy, which requires prompt medical evaluation.
Choice D Reason
The risk of brain tumors is not directly associated with hypertension. While hypertension is a risk factor for certain conditions like stroke, it is not typically linked with an increased risk of brain tumors. This choice might cause unnecessary alarm without a clinical basis.
Correct Answer is ["A","C","D"]
Explanation
Choice a reason:
Avoiding crossing the legs while sitting is crucial after a total hip replacement to prevent dislocation of the new joint. Crossing the legs can put undue pressure on the hip joint and may lead to misalignment or increased strain during the healing process.
Choice b reason:
Eliminating Vitamin K from the diet is not typically recommended after a total hip replacement. Vitamin K is essential for blood clotting, and maintaining a consistent intake is important, especially if the client is on anticoagulant therapy to prevent deep vein thrombosis. Sudden changes in Vitamin K intake can affect the efficacy of anticoagulants like warfarin.
Choice c reason:
Following a home exercise program is an essential part of recovery after a total hip replacement. Exercises help strengthen the muscles around the new joint, improve flexibility, and increase range of motion. It's important that these exercises are done regularly and as instructed by a physical therapist.
Choice d reason:
Using a raised toilet seat after hip replacement surgery helps to prevent excessive flexion at the hip, which can risk dislocating the new joint. It also makes it easier for the client to sit down and stand up with less strain on the hip.
Choice e reason:
Increasing high-impact activities is not recommended after a total hip replacement, especially in the early stages of recovery. High-impact activities can put excessive stress on the new joint and may lead to complications. Low-impact activities such as walking, swimming, or cycling are generally more appropriate.
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