In children with Kawasaki disease, manifestations of heart damage include pericarditis, myocardial damage, coronary artery damage, and myocardial infarction.
Heart damage in children with Kawasaki disease often occurs when the disease lasts between 1 and 6 weeks, and can present with myocarditis, pericarditis, endocarditis, and arrhythmias. Myocarditis, pericarditis. Endocarditis can often present with fever, palpitations, chest tightness, and breathlessness.
Some may also present with coronary aneurysms or stenosis of the coronary arteries, but usually with no obvious clinical manifestations, and a few may present with symptoms of myocardial infarction, such as chest pain, palpitations, and fatigue.
When the rupture of coronary aneurysm and myocardial infarction are serious, it can cause cardiogenic shock and even sudden death.
Regular follow-up should be observed on a daily basis to closely monitor changes in the condition of the child. If there is any discomfort, it is recommended to seek prompt medical attention.