Nokea
Arrhythmia in Children
- A. Re entry Tachycardia is the commonest
- B. Adenosine decreases the force of cardiac contractility
- C. SVT can cause hydrops foetalis
- D. Valsalva maneuver can restore sinus rhythm
Correct Answer: A
Rationale: Re-entry tachycardia is the most common type of arrhythmia in children.
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During a routine well child exam on a 5-year-old child, a grade II/VI, harsh, late systolic ejection murmur at the upper left sternal border that transmits to both lung fields is auscultated. The child has normal growth and development. What will the nurse practitioner suspect?
- A. Aortic stenosis (AS)
- B. Patent ductus arteriosus (PDA)
- C. Pulmonic stenosis
- D. Tricuspid atresia
Correct Answer: C
Rationale: Pulmonic stenosis may be asymptomatic with a murmur as described above.
A 2-month-old male presents with tachycardia, dyspnea, tachypnea, and a gallop rhythm with no heart murmur. He was perfectly well until 1 day prior to the episode. The physical examination reveals a heart rate of 235, a temperature of 37.8°C, and a normal blood pressure with warm, well-perfused extremities. The most likely diagnosis is
- A. sepsis
- B. supraventricular tachycardia
- C. ingestion
- D. ventricular tachycardia
Correct Answer: B
Rationale: Supraventricular tachycardia can cause rapid heart rates and heart failure in infants.
Inability to do which of the following in a 20-month child is cause for concern?
- A. Speak in clear two to three word phrases
- B. Walk unaided
- C. Kick a ball
- D. Build a tower of 8 blocks
Correct Answer: B
Rationale: Inability to walk unaided by 20 months is a red flag for developmental delay. Other skills are more variable and less concerning if delayed.
Features of severe folate deficiency include:
- A. Steatorrhoea
- B. Glossitis
- C. Leucoerythroblastic picture
- D. Increased total iron binding capacity
Correct Answer: B
Rationale: Glossitis, or inflammation of the tongue, is a common feature of folate deficiency due to its role in cell division and growth.
A 3-year-old child diagnosed with congestive heart failure is receiving maintenance doses of digoxin and furosemide (Lasix). She is rubbing her eyes when she is looking at the lights in the room and her heart rate is 65 beats per minute. The nurse expects which laboratory finding?
- A. Hypokalemia
- B. Hypomagnesemia
- C. Hypocalcemia
- D. Hypophosphatemia
Correct Answer: A
Rationale: Hypokalemia is a common side effect of furosemide, a diuretic, and can exacerbate digoxin toxicity, which may present with symptoms such as visual disturbances and bradycardia.