A patient arrives for an ECG and you are responsible for setting up the equipment. You notice that the lead wires are not labeled. Based on the universal lead positioning, where should you place the V4 electrode?
At the fifth intercostal space, at the midclavicular line
At the fourth intercostal space, to the left of the sternum
On the fifth intercostal space, in line with the midaxillary line
On the fifth intercostal space, aligning with the anterior axillary line