The nurse needs to verify the apical pulse rate of his patient who takes Digoxin (cardiac medication). Which of the following is the best way to find an apical heart rate?

By placing the stethoscope over the chest and moving it until the heartbeat is detected.

By locating the 5th intercostal space, mid-clavicular line then auscultating for 60 seconds.

By placing the stethoscope directly on the center of the chest and auscultating for 30 seconds and multiply × 2.

By locating the 3rd intercostal space, mid-axillary line then auscultating for 60 seconds.