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
Which of the following finding is shown in the chest leads? 
Select and explain. 
A. Myocardial ischemia, B. Myocardial injury, C. Digoxin, D. Digoxin toxicity
A: Myocardial ischemia
Answer: A: Myocardial ischemia 
Explanation: 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