A 64 year-old woman complains of continuous chest pain for 20 minutes. It started suddenly during a stressful meeting. It is dull and aching in nature and 9/10 in severity. She had several episodes of chest pain in the past that starting after exertion and resolving by rest. She was diagnosed with type 2 diabetes and hypertension 3 years ago. Her pulse is 98/min., regular and blood pressure is 160/100. ECG shows T inversion in leads II, III and AVF. Cardiac enzymes are negative. Echocardiography shows no wall motion abnormalities and ejection fraction of 65%.
What is the most appropriate immediate treatment of this patient?
B-Tissue plasminogen activator (tPA)