Which is the earliest histopathological change in myocardial infarction?
Stretching and waviness of fibers
Neutrophilic infiltration
Coagulative necrosis
Fibrovascular response
Time frameLight microscopy0-6 hoursNo change, stretching and waviness of fibres6-12 hoursCoagulative necrosis begins with neutrophilic infiltration48-72 hoursCoagulative necrosis is complete3rd-7th dayInitiation of resorption of necrosed fibres and fibrovascular response3rd weekNecrosed muscles removed and in growth of fibrocollagenous tissue.
C.V.S