Other features

Cardiovascular:

• pancarditis and coronary arteritis
• auscultation reveals gallop rhythm and distant heart sounds
• the ECG shows variable PQ, long QT, changes in the ST and T waves, arrhythmias
• coronary artery aneurysms - these are sufficient to confirm the diagnosis if only four major criteria are present

Gastrointestinal tract:

• diarrhoea in 35%
• abdominal pain with gallbladder involvement
• jaundice in 5%

Blood:

• leukocytosis
• increased ESR, CRP and platelet count
• decreased albumin and red cell count

Urinary tract:

• transient albuminuria

Joints:

• arthralgia in 25% of cases

Nervous system:

• aseptic meningitis in 25 to 50% of cases