Table 3.

Main clinical manifestations for a diagnosis of multisystem inflammatory syndrome in children

Involved organ system	Reported prevalence (%)	Main symptom
Gastrointestinal	82–87	Diarrhea, vomiting, abdominal pain
Dermatological/mucocutaneous	69–73	Skin rash, conjunctivitis
Cardiovascular	71–100	Myocardial dysfunction, vasogenic shock, myocardial infarction, coronary artery dilation or aneurysm, arrhythmia
Respiratory	14–47	Upper respiratory tract infection, shortness of breath, pneumonia, acute respiratory distress syndrome
Neurologic	22–55	Headache, dysarthria, dysphagia, meningism, cerebellar ataxia, global proximal muscle weakness, reduced reflexes
Renal	3–38	Acute insufficiency