Levosimendan in Acute Heart Failure Following Acute Myocardial Infarction.

Inclusion Criteria: * Acute ST-elevation myocardial infarction subject to acute PCI or non-ST elevation myocardial infarction subject to PCI within 72 hours after start of chest pain and: * Revascularization by PCI, * Signs of decreased wall-motion in at least 3 of 16 segments of the left ventricle * Dyspnoea at rest and one of the following: pulmonary edema, pulmonary congestion,need for CPAP or ventilator, need for IC diuretics or oliguria. Subgroup of patients in cardiogenic shock: Systolic BP below 90 after 1 hour of volume therapy. Exclusion Criteria: * Age below 20 years * Heart rate above 120 bpm * Septic shock * ARDS * Creatinine \>450 micromol/l * Hepatic impairment * Significant mechanical outlet obstruction * Allergy against study drug medication * Anaemia (Hb \<8 g/dl) * Pregnancy