Saunders NCLEX Cardio NEWEST
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,The nurse is reviewing an electrocardiogram rhythm strip. The P waves and QRS complexes are regular.
The PR interval is 0.16 second, and QRS complexes measure 0.06 second. The overall heart rate is 64
beats/minute. Which would be a correct interpretation based on these characteristics?
1.
Sinus bradycardia
2.
Sick sinus syndrome
3.
Normal sinus rhythm
4.
First-degree heart block - correct ans:3
Normal sinus rhythm is defined as a regular rhythm, with an overall rate of 60 to 100 beats/minute. The
PR and QRS measurements are normal, measuring 0.12 to 0.20 second and 0.04 to 0.10 second,
respectively.
A client is wearing a continuous cardiac monitor, which begins to sound its alarm. A nurse sees no
electrocardiographic complexes on the screen. Which is the priority action of the nurse?
1.
Call a code.
2.
Call the health care provider.
3.
,Check the client's status and lead placement.
4.
Press the recorder button on the electrocardiogram console. - correct ans:3
Sudden loss of electrocardiographic complexes indicates ventricular asystole or possibly electrode
displacement. Accurate assessment of the client and equipment is necessary to determine the cause
and identify the appropriate intervention. The remaining options are secondary to client assessment.
A client is having frequent premature ventricular contractions. The nurse should place priority on
assessment of which item?
1.
Sensation of palpitations
2.
Causative factors, such as caffeine
3.
Precipitating factors, such as infection
4.
Blood pressure and oxygen saturation - correct ans:4
Premature ventricular contractions can cause hemodynamic compromise. Therefore, the priority is to
monitor the blood pressure and oxygen saturation. The shortened ventricular filling time can lead to
decreased cardiac output. The client may be asymptomatic or may feel palpitations. Premature
ventricular contractions can be caused by cardiac disorders, states of hypoxemia, or by any number of
physiological stressors, such as infection, illness, surgery, or trauma, and by intake of caffeine, nicotine,
or alcohol.
, The nurse is evaluating a client's response to cardioversion. Which observation would be of highest
priority to the nurse?
1.
Blood pressure
2.
Status of airway
3.
Oxygen flow rate
4.
Level of consciousness - correct ans:2
Nursing responsibilities after cardioversion include maintenance first of a patent airway, and then
oxygen administration, assessment of vital signs and level of consciousness, and dysrhythmia detection.
A client's electrocardiogram strip shows atrial and ventricular rates of 110 beats/minute. The PR interval
is 0.14 second, the QRS complex measures 0.08 second, and the PP and RR intervals are regular. How
should the nurse correctly interpret this rhythm?
1.
Sinus dysrhythmia
2.
Sinus tachycardia
3.
Sinus bradycardia
AND LATEST EXAM VERSION With
Expected real and comprehensive
Questions and Revised Correct
Answers Guarantee Pass A+
Professional Academic Assistance Services
Services Offered
Proctored Exam Assistance
Online Class Management (Full Course Support)
Exam Preparation & Study Materials
Assignments and Coursework Support
Essays and Research Papers
Discussion Posts and Replies
,The nurse is reviewing an electrocardiogram rhythm strip. The P waves and QRS complexes are regular.
The PR interval is 0.16 second, and QRS complexes measure 0.06 second. The overall heart rate is 64
beats/minute. Which would be a correct interpretation based on these characteristics?
1.
Sinus bradycardia
2.
Sick sinus syndrome
3.
Normal sinus rhythm
4.
First-degree heart block - correct ans:3
Normal sinus rhythm is defined as a regular rhythm, with an overall rate of 60 to 100 beats/minute. The
PR and QRS measurements are normal, measuring 0.12 to 0.20 second and 0.04 to 0.10 second,
respectively.
A client is wearing a continuous cardiac monitor, which begins to sound its alarm. A nurse sees no
electrocardiographic complexes on the screen. Which is the priority action of the nurse?
1.
Call a code.
2.
Call the health care provider.
3.
,Check the client's status and lead placement.
4.
Press the recorder button on the electrocardiogram console. - correct ans:3
Sudden loss of electrocardiographic complexes indicates ventricular asystole or possibly electrode
displacement. Accurate assessment of the client and equipment is necessary to determine the cause
and identify the appropriate intervention. The remaining options are secondary to client assessment.
A client is having frequent premature ventricular contractions. The nurse should place priority on
assessment of which item?
1.
Sensation of palpitations
2.
Causative factors, such as caffeine
3.
Precipitating factors, such as infection
4.
Blood pressure and oxygen saturation - correct ans:4
Premature ventricular contractions can cause hemodynamic compromise. Therefore, the priority is to
monitor the blood pressure and oxygen saturation. The shortened ventricular filling time can lead to
decreased cardiac output. The client may be asymptomatic or may feel palpitations. Premature
ventricular contractions can be caused by cardiac disorders, states of hypoxemia, or by any number of
physiological stressors, such as infection, illness, surgery, or trauma, and by intake of caffeine, nicotine,
or alcohol.
, The nurse is evaluating a client's response to cardioversion. Which observation would be of highest
priority to the nurse?
1.
Blood pressure
2.
Status of airway
3.
Oxygen flow rate
4.
Level of consciousness - correct ans:2
Nursing responsibilities after cardioversion include maintenance first of a patent airway, and then
oxygen administration, assessment of vital signs and level of consciousness, and dysrhythmia detection.
A client's electrocardiogram strip shows atrial and ventricular rates of 110 beats/minute. The PR interval
is 0.14 second, the QRS complex measures 0.08 second, and the PP and RR intervals are regular. How
should the nurse correctly interpret this rhythm?
1.
Sinus dysrhythmia
2.
Sinus tachycardia
3.
Sinus bradycardia
