An ultrasound of the heart that shows coronary artery involvement is highly suggestive of the disease. A normal ultrasound does not rule out Kawasaki disease, however. Some children with prolonged fever and no other symptoms have been found to have the coronary artery aneurysms of Kawasaki disease. Almost all are quite irritable. Most have swollen lymph nodes.
Recovery is usually complete.
For this reason, making the correct diagnosis is very important. This is not a substitute for medical care or your doctor's attention. Please seek the advice of your pediatrician or family doctor. Dr. Greene's HouseCalls presents this data as is, without any warranty of any kind, express or implied. It is impossible to cover every eventuality in any answer, which makes direct contact with your health care provider imperative.