Table 3.15-1. Course of acute pericarditis

 

Viral

Bacterial

Tuberculous

Autoimmune

Spontaneous remission

Frequent

Never

Never

Rare

Relapse rates

30%-50%

Rare

Frequent

Frequent (>25%)

Mortality rates in untreated disease

Depends on virus type and occurrence of cardiac tamponade

100%

85%

Death in case of untreated cardiac tamponade

Constriction

Rare

Frequent

Frequent

Rare