Killip score

Classe I

5% mortality at 30 days

No rales and S3

Classe II

17% mortality at 30 days

Rales or crackles in the lungs, an S3, and elevated jugular venous pressure.

Classe III

34% mortality at 30 days

Rales with frank acute pulmonary edema.

Classe IV

48% mortality at 30 days

Shock