This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: ECG and Arrhythmias 1, Subject name: Medicine
A 60-year-old male diabetic and smoker came with 3 hours of substernal pain. Which of the following statements is true regarding his ECG? 
Select and explain. 
A. Hea rate is 45/min, B. ECG shows acute anterior myocardial infarction, C. Patient should be given IV lidocaine, D. ECG is suggestive of hypokalemia
B: ECG shows acute anterior myocardial infarction
Answer: B: ECG shows acute anterior myocardial infarction 
Explanation: The hea rate of the patient is about 75 BPM. The current ECG shows presence of ST elevation in lead I, aVL and the precordial leads V2-V5 suggestive of anterior wall MI Patient should be given lidocaine, in case of post-Ml ventricular tachycardia ST elevation and Tall tented T waves should be present in all leads. P wave should disappear. qRS should be wide complex. These findings suggestive of HyperK+ not hypoK+