Grade I | No clinical signs of heart failure |
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Grade II | Rales in the lungs, presence of third heart sound (S3), elevated jugular venous pressure |
Grade III | Frank acute pulmonary edema |
Grade IV | Cardiogenic shock or hypotension (systolic blood pressure below 90 mmHg) with evidence of peripheral vasoconstriction (oliguria, cyanosis, sweating, etc.) |
Explanation
Used for evaluating cardiac function impairment in acute myocardial infarction.