If a child presents with tetralogy of Fallot, the nurse and family should attempt to prevent crying, dehydration, constipation, fever, and pain because these actions can provoke what medical condition in this child?

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Hypercyanosis, also known as a "tet spell," can be triggered in children with tetralogy of Fallot by conditions that increase oxygen demand or decrease oxygen supply, such as crying, dehydration, constipation, fever, and pain. These conditions can exacerbate the right-to-left shunting of blood, leading to increased cyanosis.

If a Child Presents with Tetralogy of Fallot, the Nurse