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Myocardial infarction and Electrocardiographic patterns Simulating Myocardial Infarction

Origin of abnormal initial QRS deflection
The abnormal initial deflection in myocardial infarction (MI) is caused by loss of the voltage previously generated by the infarction tissue. The loss of voltage is believed to cause transmission of the cavity potentials to the surface of the heart. Wilson et al. Suggested that epicardial Q waves were caused by passive transmission of intracavitarh potential through an electrically inactive myocardial tissue. Another way