histological , electron microscopic , and physiological studies on the myocardium of rats and dogs in severe forms of compression syndrome ( 6-9 hours of compression and 2-4-7 hours after decompression ) revealed three groups of morphological changes underlying cardiac insufficiency : ( 1 ) predominantly microcirculatory disorders with mild changes in cardiomyocytes detectable in bradycardia .
C0027061
myocardium
C0225828
cardiomyocytes