Achild is admitted to the pediatric cardiology unit after presenting in the emergency department with symptoms of sudden chest pain and dizziness. a diagnosis of supraventricular tachycardia (svt) is made. if the child experiences another episode of chest pain and dizziness, what is the best action for the pediatric nurse to take?

1. place the child in a supine position with arms to the side, and elevate the foot of the bed.
2. instruct the child to assume a squatting position with the arms wrapped around the legs.
3. encourage the child to lie on the side and picture walking through a meadow, breathing in slowly through the nose and out through the mouth.
4. ask the child to stick the thumb in the mouth, close the mouth around it, and then blow on the thumb as if it were a trumpet.