<prompt> A 45 year old man presents with central chest pain for 4 hours. Troponin I is 0.8ngdl. Diagnosis is?Anterior wall, STEMIAnterior wall, NSTEMIUnstable AnginaPrinzmetal angina  <response>: The hea rate is 60min with normal axis. Normal sinus rhythm is present. QRS complex duration is normal. T wave inversion is seen in V2-V4. Since cardiac biomarkers are elevated and ischemic changes are present in ECG, the diagnosis is anterior wall ischemia, NSTEMI. 