A client who is on the progressive care unit develops supraventricular tachycardia (SVT). The clients vital signs: T: 98, HR: 160, BP: 119/71, RR: 19, Sp02 94% on RA. The client presents with no dyspnea, shortness of breath or chest pain. Which action that is included in the hospital dysrhythmia protocol should the nurse do first?
Perform immediate defibrillation.
Perform immediate cardioversion.
Administer Adenosine 6 mg IVP.
Administer Adenosine 12 mg IVP.
The Correct Answer is C
A. Defibrillation is used for life-threatening arrhythmias like ventricular fibrillation or pulseless ventricular tachycardia, not for SVT.
B. Cardioversion is appropriate for certain arrhythmias, but in this case, SVT with a stable pulse can be treated initially with medication like adenosine.
C. Adenosine is the first-line treatment for SVT. The typical starting dose is 6 mg IVP, which can be repeated if necessary. Adenosine works by temporarily blocking the electrical conduction through the AV node, allowing the heart to reset to a normal rhythm.
D. A 12 mg dose of Adenosine is used if the 6 mg dose is ineffective, but the 6 mg dose is typically administered first.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
A. Drinking water in hot weather is important to prevent dehydration. This is not a risk factor for metabolic alkalosis unless the client is excessively losing electrolytes through sweating and not replacing them.
B. Sodium bicarbonate is an alkaline substance, and regular use, especially after meals, can contribute to metabolic alkalosis. The client should be instructed on the potential risks of using sodium bicarbonate too frequently.
C. Avoiding milk due to gastrointestinal symptoms does not directly contribute to metabolic alkalosis.
D. Digoxin does not directly affect acid-base balance, but it requires monitoring due to potential interactions with other medications or electrolyte imbalances.
Correct Answer is A
Explanation
A. Sitting up and leaning forward helps improve lung expansion and ventilation, which is beneficial for clients with COPD.
B. Elevating the head is helpful but not as effective as sitting upright for COPD clients who need to improve their ventilation.
C. The Trendelenburg position is not appropriate for improving ventilation in COPD patients.
D. While high-Fowler's may help in some situations, having the knees flexed can restrict the diaphragm and limit breathing capacity.
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