Ice applied to the face has been ineffective in the patient. The treatment of choice is
- A. adenosine
- B. verapamil
- C. digoxin
- D. lidocaine
Correct Answer: A
Rationale: Adenosine is the first-line treatment for supraventricular tachycardia.
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Side effects of propranolol may include
- A. hypothyroidism
- B. elevated triglycerides
- C. school performance problems
- D. pulmonary fibrosis
Correct Answer: B
Rationale: Propranolol can cause elevated triglycerides and school performance issues due to its beta-blocking effects.
In the most common type of CAH:
- A. Autosomal dominant transmission occurs
- B. II -Hydroxylase is deficient
- C. Hypertension is seen
- D. 17-OH progesterone is increased
Correct Answer: D
Rationale: 17-OH progesterone is increased: In congenital adrenal hyperplasia (CAH), the most common form is 21-hydroxylase deficiency, leading to increased 17-hydroxyprogesterone levels.
A patient with no structural heart disease: a wide QRS tachycardia of RBBB morphology at a rate of 160 bpm, QRS axis of (-) 40 degrees and AV dissociation was recorded during palpitation. What is the likely diagnosis?
- A. RV outflow ventricular tachycardia
- B. Posterior fascicular VT
- C. Anterior fascicular VT
- D. Antidromic AVRT
Correct Answer: A
Rationale: RV outflow ventricular tachycardia is the likely diagnosis given the RBBB morphology and QRS axis.
A 7-year-old child who has a history of a repaired congenital heart defect (CHD)has many dental caries along with gingival erythema and irritation and a temperature of 102.5°F. What will the primary care pediatric nurse practitioner do next?
- A. Admit to the hospital with a pediatric cardiology consult.
- B. Obtain blood cultures and a CBC and consult a pediatric cardiologist.
- C. Refer the child to a pediatric dental surgeon immediately.
- D. Start prophylactic antibiotics such as penicillin twice daily for 2 weeks.
Correct Answer: A
Rationale: Children who are suspected of having SBE should be admitted to the hospital and referred to pediatric cardiology.
What are the four structural heart anomalies that make up the tetralogy of Fallot? (Select the four that apply.)
- A. Hypertrophied right ventricle
- B. Patent ductus arteriosus
- C. Ventral septal defect
- D. Narrowing of pulmonary artery
Correct Answer: D
Rationale: The four anomalies that comprise tetralogy of Fallot are hypertrophied right ventricle, patent ductus arteriosus, stenosis of pulmonary artery, and dextroposition of the aorta.