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 A
Explanation
A Adequate fluid administration is essential before giving vasopressors to patients with hypovolemic shock. The patient’s low central venous pressure indicates a need for more volume replacement. The other patient data are not contraindications to norepinephrine administration.
B Low dose dopamine is not a contraindication to epinephrine administration.
C A sinus tachycardia is not a contraindication to epinephrine administration
D Lack of urine output is not a contraindication to epinephrine administration
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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