A patient presents with severe substernal chest pain.The patient exclaims,"This is the most severe pain I have ever felt!" The patient reports that the pain came on suddenly about 2 hours ago and that three sublingual nitroglycerin tablets have not relieved the pain.The 12-lead electrocardiogram (ECG)reveals only the following abnormalities: T-wave inversion in leads I,aVL,V4,and V5; pathologic Q waves in leads II,III,and aVF; ST segment elevation in leads V1,V2,V3,and V4.Which statement is accurate about this patient?

Question

Quizplus · Accepted Answer

Acute anterior wall infarctions are manifested by electrocardiographic (ECG)changes in leads V2 to V4.Inferior infarctions are manifested by ECG changes in leads II,III,and aVF.Lateral wall infarctions are manifested by ECG changes in leads V5 to V6,I,and aVL.Posterior wall infarctions are manifested by ECG changes in leads V1 to V2.

A Patient Presents with Severe Substernal Chest Pain