Table 2.

Tissue damage score for the heart alterations (CDS—Cardiomyocyte Damage Score).

Degree	Description
0	Normal histological structure of the heart.
1	A slight loss of transverse striation was observed in individual cells.
2	Smaller groups of cells with a pronounced loss of transverse striation and the appearance of small vacuoles in the sarcoplasm.
3	A larger number of cells with a pronounced loss of transverse striation and the appearance of large vacuoles in the sarcoplasm.
4	Diffuse vacuolar degeneration of cardiomyocyte cytoplasm followed by vacuolar degeneration.