A nurse is caring for a client on a cardiac monitor. The patient’s heart monitor shows a pattern of undulations of varying contours and amplitude with no measurable ECG pattern.

What is the first action the nurse should take?

Choice A rationale
Cracked lips are a symptom of Kawasaki disease, but they are more commonly associated with the subacute phase of the disease, not the acute phase.
Choice B rationale
Conjunctival hyperemia, or redness of the whites of the eyes, is a common symptom in the acute phase of Kawasaki disease. It typically presents as bilateral, non-exudative conjunctival injection, primarily in the bulbar conjunctivae.
Choice C rationale
A normal appearance is not typically seen in the acute phase of Kawasaki disease, which is characterized by a high fever and at least four of the five main symptoms, including conjunctival hyperemia.
Choice D rationale
Desquamation of the skin, or peeling, is a symptom of Kawasaki disease, but it typically occurs in the subacute phase, not the acute phase.

Choice A rationale
The diaphragm is not typically the location of a coarctation of the aorta. The diaphragm is a muscle that helps with breathing and separates the chest cavity from the abdominal cavity.
Choice B rationale
The bifurcation into the common iliac arteries is not typically the location of a coarctation of the aorta. The common iliac arteries are located in the lower part of the aorta and supply blood to the pelvis and legs.
Choice C rationale
The aortic valve is not typically the location of a coarctation of the aorta. The aortic valve is located between the left ventricle of the heart and the aorta.
Choice D rationale
The ductus arteriosus is the correct answer. Coarctation of the aorta often occurs near the ductus arteriosus, a blood vessel that connects the left pulmonary artery to the aorta.