Ventricular tachycardia (VT) is defined as at least 3 premature ventricular contractions PVCs at >120 beats/min. Hemodynamically unstable patients with VT should be immediately treated with
- A. catheter ablation
- B. ICD implantation
- C. DC cardioversion
- D. amiodarone
Correct Answer: C
Rationale: DC cardioversion is the immediate treatment for hemodynamically unstable VT.
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A pediatric patient is scheduled for a noninvasive procedure to determine if his heart is structurally normal and to localize a murmur. What diagnostic test does the nurse anticipate?
- A. Barium swallow
- B. Chest x-ray
- C. Electrocardiogram
- D. Echocardiogram
Correct Answer: D
Rationale: Echocardiography is a noninvasive procedure that localizes murmurs and determines if the heart is structurally normal.
The nurse explained how to position an infant with tetralogy of Fallot if the infant suddenly becomes cyanotic. Which statement by the father leads the nurse to determine he understood the instructions?
- A. If the baby turns blue, I will hold him against my shoulder with his knees bent up toward his chest.
- B. If the baby turns blue, I will lay him down on a firm surface with his head lower than the rest of his body.
- C. If the baby turns blue, I will immediately put the baby upright in an infant seat.
- D. If the baby turns blue, I will put the baby in supine position with his head elevated.
Correct Answer: A
Rationale: In the event of a paroxysmal hypercyanotic or tet spell, the infant should be placed in a knee-chest position.
A male client with muscular dystrophy fell in his home and is admitted with a right hip fracture. His right foot is cool, with palpable pedal pulses. Lungs are coarse with diminished bibasilar breath sounds. Vital signs are temperature 101F, heart rate 128 beats/minute, respirations 28 breaths/minute, and blood pressure 122/82. Which intervention is most important for the nurse to implement first?
- A. Obtain oxygen saturation level
- B. Encourage incentive spirometry
- C. Assess lower extremity circulation
- D. Administer PRN oral antipyretic
Correct Answer: D
Rationale: Administering an antipyretic addresses the fever, which is a priority in this client to prevent further complications.
For the child with hypoplastic left heart syndrome, which medication may be given to keep the patent ductus arteriosus (PDA) open until surgery can be done?
- A. Prostaglandin E
- B. Indomethicin
- C. Ibuprofen
- D. Digoxin
Correct Answer: A
Rationale: Prostaglandin E is used to keep the PDA open in infants with hypoplastic left heart syndrome, allowing for adequate blood flow until surgical intervention can be performed.
SA 14-14-2 Vaccine for Japanese encephalitis is
- A. Live attenuated
- B. Vero cell derived inactivated
- C. Mouse-brain derived inactivated
- D. Live recombinant
Correct Answer: A
Rationale: The SA 14-14-2 vaccine is a live attenuated vaccine used for Japanese encephalitis.