What is the correct precordial lead placement location for V3?
QUESTION
What is the normal PR interval range on an adult ECG?
QUESTION
Which leads are considered lateral leads on a standard 12-lead ECG?
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ANSWER
I, aVL, V5, and V6. Lateral leads monitor the left ventricular lateral wall, supplied by left circumflex artery, aiding in lateral infarction identification.