Latest Acute Coronary Syndrome Exam |Question and Answer|

Latest Acute Coronary Syndrome Exam |Question and Answer| Which immediate electrocardiogram (ECG) findings confirm the diagnosis of ST-segment elevation myocardial infarction (STEMI)? *Ans* ST-segment elevation in two contiguous leads The doctor admits a patient to the hospital to rule out non-ST-segment elevation myocardial infarction (NSTEMI) or unstable angina. An electrocardiogram (ECG) shows ST-segment depression with T-wave inversion. Which finding would confirm a diagnosis of NSTEMI? *Ans* Elevated troponin levels Why are unstable angina and myocardial infarction (MI) classified as acute coronary syndromes (ACSs)? *Ans* Unstable angina and MI are difficult to distinguish initially, and classifying the disorders together allows clinicians to make early treatment decisions A 12-lead electrocardiogram (ECG) is the most important tool in diagnosing acute coronary syndrome (ACS). According to the American College of Cardiology Foundation/American Heart Association guidelines, the ECG should be obtained and interpreted by an experienced physician within what period of time? *Ans* Within 10 minutes of arrival to the emergency departmen