Problem: You are transporting a 64-year-old female with difficulty breathing, bradycardia, and crackles noted in the bases. Her ECG shows a PRI of 80 ms, QRS of 115 ms, ST segment of 110 ms, and QTc of 460 ms. What medication will help her underlying issue? Group of answer choices Calcium gluconate Sodium bicarbonate Magnesium sulfate Potassium chloride