The nurse caring for a client who is scheduled for a balloon valvuloplasty recalls that balloon valvuloplasty is most commonly used for which valvular heart disease?
Mitral valve prolapse
Aortic regurgitation
Mitral regurgitation
Mitral stenosis
The Correct Answer is D
A. Mitral valve prolapse often requires no treatment or is managed with medications; balloon valvuloplasty is not typically used.
B. Aortic regurgitation usually requires surgical valve replacement rather than valvuloplasty.
C. Mitral regurgitation involves backward blood flow and is generally treated with valve repair or replacement, not balloon valvuloplasty.
D. Mitral stenosis is most commonly treated with balloon valvuloplasty, especially in clients with rheumatic heart disease. This procedure helps open a narrowed mitral valve by inflating a balloon within the valve to improve blood flow.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is A
Explanation
A. Ventricular tachycardia is characterized by a ventricular rate >100 bpm, regular rhythm, no visible P waves, and wide QRS complexes (>0.12 seconds). The findings described—ventricular rate of 162, regular R-R intervals, no visible P waves, and a QRS duration of 0.18 seconds—are consistent with ventricular tachycardia.
B. Ventricular fibrillation shows a chaotic, irregular rhythm with no identifiable QRS complexes, which is not the case here.
C. Sinus tachycardia would have visible P waves and a normal QRS duration.
D. Atrial flutter typically has "sawtooth" flutter waves and a more organized atrial rhythm with a distinct P wave pattern, which is absent in this scenario.
Correct Answer is A
Explanation
A. An echocardiogram is the most helpful noninvasive tool for diagnosing cardiomyopathy. It provides detailed information about chamber size, wall motion, ventricular function, and left ventricular hypertrophy, all of which are essential in evaluating cardiomyopathy.
B. Arterial blood gases (ABGs) assess oxygenation and acid-base balance but do not provide structural or functional cardiac details.
C. Swan-Ganz analysis (pulmonary artery catheter) can measure pressures in the heart but is invasive and typically used for hemodynamic monitoring, not initial diagnosis.
D. Cardiac catheterization can show coronary anatomy and pressures, but it is not the first-line test for evaluating cardiomyopathy unless ischemic disease is suspected.
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