[Retracted] Effects of Caffeine Intake on Cardiopulmonary Variables and QT Interval after a Moderate-Intensity Aerobic Exercise in Healthy Adults: A Randomized Controlled Trial
Table 2
Electrode placement.
Electrode name
Electrode placement
RA
Place near the patient’s right midclavicular line, directly below the clavicle
LA
Place near the patient’s left midclavicular line, directly below the clavicle
RL
Place between the 6th and 7th intercostal space on the patient’s right midclavicular line
LL
Place between the 6th and 7th intercostal space on the patient’s left midclavicular line
V1
In the fourth intercostal space just to the right of the sternum
V2
In the fourth intercostal space just to the left of the sternum
V3
Between leads V2 and V4
V4
In the fifth intercostal space in the midclavicular line
V5
Horizontally even with V4, in the left anterior axillary line
V6
Horizontally even with V4 and V5 in the midaxillary line
Table adapted from Zoll R Series ALS Operator’s Guide [22] and ECG & ECHO learning [23].
