overcontraction of myofibrils and redistribution of the mitochondria in cardiomyocytes , increase of the sarcoplasmic reticulum vesiculation , oedema of sarcoplasm , structural alterations of intercalative discs , later appearance of the symptoms of the irreversibility of lesions in the mitochondria and early penetration of colloidal lanthanum particles in rigor cells may serve ultrastructural diagnostic symptom of ventricular fibrillation .
C0036226
sarcoplasmic reticulum
C0007634
cells