Which is the earliest histopathological change in myocardial infarction?
Correct Answer: Stretching and waviness of fibers
Description: 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.
Category:
Pathology
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