This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Acute coronary syndrome, Subject name: Medicine
[{'content': 'Which of the following finding is shown in the chest leads? \nSelect and explain. \nA. Myocardial ischemia, B. Myocardial injury, C. Digoxin, D. Digoxin toxicity', 'role': 'user'}, {'content': 'Answer: A \nExplanation: The hea rate is nearly 125bpm. Notice the predominant T wave inversion in V1-V3. This is seen in myocardial ischemia. Diagnosis of myocardial injury needs elevated cardiac biomarkers. Digoxin leads to ST segment depression Digoxin toxicity leads to Ventricular Bigeminy Causes of T wave inversion Normal in children Myocardial ischemia Bundle branch block Ventricular hyperophy Pulmonary embolism Hyperophic obstructive cardiomyopathy Raised intracranial pressure', 'role': 'assistant'}]