The nurse is reading a cardiac monitor of a patient and observes a regular rhythm, and the P waves have a sawtooth pattern. The nurse recognizes this as which arrhythmia?
Atrial flutter
Ventricular tachycardia
Atrial fibrillation
Sinus tachycardia
The Correct Answer is A
A. Atrial flutter is characterized by a regular rhythm with rapid atrial contractions (flutter waves) that have a sawtooth appearance on the ECG tracing.
B. Ventricular tachycardia typically presents with a wide QRS complex and is often associated with hemodynamic instability.
C. Atrial fibrillation is characterized by irregularly irregular rhythm with no distinct P waves and irregular ventricular response.
D. Sinus tachycardia is characterized by a regular rhythm with a heart rate greater than 100 beats per minute originating from the sinus node.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is C
Explanation
A. This meal is high in fat, which may be poorly tolerated after a cholecystectomy, as it can exacerbate symptoms such as diarrhea and abdominal discomfort.
B. This meal is high in fat and may be difficult to digest after a cholecystectomy.
Whole milk can also be rich in fat, which may not be well tolerated.
C. This meal is lower in fat and includes easily digestible foods such as roast turkey and rice, which are generally well tolerated after a cholecystectomy. Gelatin dessert provides a light and refreshing option for dessert without adding excess fat.
D. This meal is high in fat, which may be poorly tolerated after a cholecystectomy, as it can exacerbate symptoms such as diarrhea and abdominal discomfort.
Correct Answer is B
Explanation
A. This is partially correct but lacks the detail that the examination is done via an endoscope through the throat.
B. An endoscopic retrograde cholangiopancreatography (ERCP) involves the use of an endoscope to visualize and treat problems in the bile ducts, gallbladder, and pancreas.
C. This statement reflects a misunderstanding of the procedure, as ERCP does not involve shock waves to treat gallstones.
D. This statement also reflects a misunderstanding, as ERCP is primarily a diagnostic procedure and does not involve direct medication delivery to the gallbladder.
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