A nurse is reviewing a client's cardiac monitor. Which of the following findings should the nurse identify as an indication for synchronized cardioversion?
Asystole
Ventricular fibrillation
Pulseless ventricular tachycardia
Atrial fibrillation
The Correct Answer is D
A. Asystole: Synchronized cardioversion is ineffective for asystole because there is no electrical activity to reset. The appropriate intervention for asystole is immediate CPR and administration of epinephrine.
B. Ventricular fibrillation: Defibrillation, not synchronized cardioversion, is the appropriate treatment for ventricular fibrillation because it is a pulseless, chaotic rhythm that requires immediate high-energy shocks.
C. Pulseless ventricular tachycardia: Pulseless ventricular tachycardia is treated with defibrillation rather than synchronized cardioversion, as there is no coordinated cardiac activity to synchronize with. CPR and advanced cardiac life support (ACLS) protocols should be initiated.
D. Atrial fibrillation: Synchronized cardioversion is indicated for atrial fibrillation, particularly when it is associated with hemodynamic instability. Cardioversion helps restore a normal sinus rhythm by delivering a shock synchronized to the R wave of the QRS complex.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
A. Use fluticasone as needed for shortness of breath: Fluticasone is a corticosteroid used for long-term inflammation control in COPD, not for immediate symptom relief. Short-acting bronchodilators like albuterol are used for acute shortness of breath.
B. Limit fluid intake to 1 L per day: COPD clients benefit from adequate hydration (typically 2-3 L per day) to help thin mucus secretions and improve airway clearance. Restricting fluids can lead to thickened secretions and increased respiratory distress.
C. Avoid use of pursed-lip breathing: Pursed-lip breathing is encouraged for COPD clients to help reduce air trapping, improve oxygenation, and promote more effective exhalation. It is an essential technique for managing dyspnea.
D. Obtain a yearly influenza immunization: COPD clients are at higher risk of complications from respiratory infections. An annual influenza vaccine helps reduce the risk of severe illness and exacerbations, making it a crucial part of COPD management.
Correct Answer is ["A","D","E"]
Explanation
- Increase sources of fiber in the diet: Increasing dietary fiber is important for maintaining bowel health, especially when taking iron supplements, as constipation is a common side effect of iron therapy. A higher fiber intake can help alleviate constipation and promote regular bowel movements.
- Take the medication with a source of vitamin C: Vitamin C enhances iron absorption in the gastrointestinal tract. Clients should be instructed to take ferrous sulfate with vitamin C-rich foods (such as citrus fruits) or beverages (like orange juice) to maximize absorption and improve the effectiveness of the iron supplement.
- Take the medication on an empty stomach: Iron supplements are best absorbed when taken on an empty stomach, ideally 1 hour before or 2 hours after meals. However, if gastrointestinal upset occurs, the client may take the medication with food to minimize discomfort, but this can reduce absorption.
- Take an antacid within 30 min after medication administration: Antacids can interfere with the absorption of iron supplements. Clients should be advised to avoid antacids for at least 2 hours before or after taking iron supplements to ensure proper absorption.
- Increase intake of milk and dairy products: Calcium in milk and dairy products can inhibit iron absorption when consumed simultaneously. Clients should be advised to avoid consuming these products around the time they take their iron supplement for optimal absorption.
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