A nurse is caring for a client in the emergency department (ED).
The Correct Answer is []
AF is characterized by irregular, rapid heartbeat (100 to 175 beats per minute (bpm) and the absence of distinct P waves.
Management of unstable atrial fibrillation include immediate pharmacological or electrical cardioversion and anticoagulation.
Atrial fibrillation leads to ineffective pumping and stasis of blood in the heart which increases the risk of stroke.
On initiating anticoagulation, PTT/INR is important to ensure that the drug is administered at doses that achieve the optimal therapeutic effect.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is D
Explanation
D Sedatives are typically administered alongside neuromuscular blockers to ensure the patient's comfort and prevent awareness during mechanical ventilation.
A The absence of a cough reflex when suctioned is expected in a patient receiving cisatracurium (Nimbex) because it is a neuromuscular blocking agent that induces paralysis. Cisatracurium inhibits skeletal muscle movement, including the muscles involved in coughing.
B An oxygen saturation between 90% to 93% is within an acceptable range for a patient in this condition.
C The lack of response to voice may indicate that the patient is sedated or experiencing effects from the neuromuscular blocking agent. However, since the patient is receiving cisatracurium to prevent asynchronous breathing with the positive pressure ventilator, it's expected that the patient will not respond to voice due to the medication-induced paralysis.
Correct Answer is B
Explanation
B. Right-sided heart failure leads to congestion of the systemic venous circulation, resulting in increased central venous pressure (CVP). Elevated CVP is a hallmark sign of right-sided heart failure and is often used clinically to assess right ventricular preload and volume status.
A. BNP is a hormone secreted by the heart in response to increased ventricular stretch and volume overload, and its levels are usually elevated in heart failure, including both left-sided and right-sided heart failure.
C. Specific gravity refers to the concentration of solutes in urine and is often used as a measure of urine concentration.
D. Pulmonary artery wedge pressure (PAWP) is a measure of left atrial pressure and left ventricular end- diastolic pressure. In right-sided heart failure, the primary hemodynamic abnormality is congestion of the systemic venous circulation, rather than elevated left-sided pressures.
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