Nokea
The ECG in left ventricular hypertrophy and shows a superior QRS axis (between -90' and 0')
- A. tricuspid atresia
- B. Ebstein anomaly
- C. pulmonary atresia
- D. tetralogy of Fallot
Correct Answer: D
Rationale: Left ventricular hypertrophy with a superior QRS axis is characteristic of tetralogy of Fallot.
You may also like to solve these questions
Which is best described as the inability of the heart to pump an adequate amount of blood to the systemic circulation at normal filling pressures?
- A. Pulmonary congestion
- B. Congenital heart defect
- C. Heart failure
- D. Systemic venous congestion
Correct Answer: C
Rationale: The definition of heart failure is the inability of the heart to pump an adequate amount of blood to the systemic circulation at normal filling pressures to meet the body’s metabolic demands. Pulmonary congestion is an excessive accumulation of fluid in the lungs. Congenital heart defect is a malformation of the heart present at birth. Systemic venous congestion is an excessive accumulation of fluid in the systemic vasculature.
A heart transplant may be indicated for a child with severe heart failure and:
- A. Patent ductus arteriosus (PDA)
- B. Ventricular septal defect (VSD)
- C. Hypoplastic left heart syndrome
- D. Pulmonic stenosis (PS)
Correct Answer: C
Rationale: Hypoplastic left heart syndrome is treated by procedures such as the Norwood procedure or heart transplant.
In the treatment of hypothyroidism in children:
- A. Levodopa is the treatment of choice
- B. Levothyroxine should be used
- C. Triiodothyronine is the first line treatment
- D. Carbimazole is indicated
Correct Answer: B
Rationale: Levothyroxine is the treatment of choice for hypothyroidism, as it replaces the deficient thyroid hormone and helps normalize metabolic functions.
What does the nurse need to assess first when caring for a child with a suspected myocardial infarction?
- A. Blood pressure and heart rate
- B. Chest pain and anxiety levels
- C. Oxygen saturation and respiratory rate
- D. Electrocardiogram and heart sounds
Correct Answer: D
Rationale: The first priority in a suspected myocardial infarction is to assess the heart's electrical activity using an electrocardiogram and listen to heart sounds for any abnormality such as murmurs.
While looking through the chart of an infant with a congenital heart defect (CHD) of decreased pulmonary blood flow, the nurse would expect which laboratory finding?
- A. Decreased platelet count
- B. Polycythemia
- C. Decreased ferritin level
- D. Shift to the left
Correct Answer: B
Rationale: Chronic hypoxemia in CHD leads to polycythemia as a compensatory mechanism.