Nokea
Which of the following medications does the nurse anticipate administering to a client preparing for cardioversion?
- A. Atropine
- B. Digoxin
- C. Enalapril
- D. Diazepam
Correct Answer: D
Rationale: Prior to cardioversion, cardiac medications are held, and the client is sedated with a medication such as diazepam.
You may also like to solve these questions
Which diagnostic study best evaluates different medications' ability to restore normal heart rhythm?
- A. Elective electrical cardioversion
- B. Electrocardiogram (ECG)
- C. Electrophysiology study
- D. Echocardiogram
Correct Answer: C
Rationale: An electrophysiology study is a procedure that enables the physician to examine the electrical activity of the heart, produce actual arrhythmias, and determine the best method for care. Cardioversion uses synchronized electricity to change the rhythm pattern. Electrocardiogram and echocardiograms provide diagnostic information.
The client has just been diagnosed with a arrhythmia. The client asks the nurse to explain normal sinus rhythm. What would the nurse explain is the characteristic of normal sinus rhythm?
- A. Heart rate between 60 and 150 beats/minute.
- B. Impulse travels to the atrioventricular (AV) node in 0.15 to 0.5 second.
- C. The ventricles depolarize in 0.5 second or less.
- D. The sinoatrial (SA) node initiates the impulse.
Correct Answer: D
Rationale: The characteristics of normal sinus rhythm are heart rate between 60 and 100 beats/minute, the SA node initiates the impulse, the impulse travels to the AV node in 0.12 to 0.2 second, the ventricles depolarize in 0.12 seconds or less, and each impulse occurs regularly.
The nurse reports to the cardiac nurse practitioner that the client is consistently exhibiting a normal sinus rhythm. What characteristic(s) has the nurse noted to determine the rhythm is normal? Select all that apply.
- A. Heart rate 106 beats/minute
- B. Upright P wave before each QRS complex
- C. Each impulse occurs regularly.
- D. Impulse travels to the SA node from the AV node.
- E. Wave ends with a T wave
- F. Ventricles depolarize in the QRS complex.
Correct Answer: B,C,E,F
Rationale: Characteristics of normal sinus rhythm include a regular impulse originating in the SA node and with impulses continuing to the AV node. There is a P wave initially with depolarization at the QRS complex and ending with a T wave. Normal heart rate is between 60 to 100 beats/minute.
The nurse is preparing to defibrillate a client with no breathing or pulse. Which nursing action precedes the nurse pressing the discharge button?
- A. Placing gel on the chest
- B. Checking the ECG rhythm
- C. Shouting, 'All clear'
- D. Stating, 'Charging'
Correct Answer: C
Rationale: Preceding pressing the discharge button, the nurse shouts 'All clear' to ensure that no one is in contact with the client. The other options are correct but not the nursing action immediately preceding.
The client has returned to the floor with a transthoracic pacemaker ready to be connected. The nurse knows that a transthoracic pacemaker is a temporary pacemaker used in what situation?
- A. Transthoracic pacemakers are used in a client who has had open heart surgery.
- B. Transthoracic pacemakers are used when a client has an MI.
- C. Transthoracic pacemakers are used after a coronary bypass graft surgery.
- D. Transthoracic pacemakers are used for tachyarrhythmias.
Correct Answer: A
Rationale: The leads of a transthoracic pacemaker are inserted during open heart surgery. They extend from the chest incision. If the client requires cardiac pacing during postoperative recovery, the leads are connected to a temporary pacing unit.