16. Physiological Basis of the ECG Flashcards
What is the acceptable voltage for the P wave?
.1 to .3 mv
What two leads are considered septal?
V1 and V2
What artery is associated with the anterior and septal leads?
Left anterior descending
What artery is associated with the inferior leads?
Right coronary artery
What leads are considered anterior?
V2, V3, V4
What artery is associated with the lateral leads?
Circumflex Artery
What is the outside acceptable voltage for the QRS complex from peak of the R to bottom of the S?
1.0 - 1.5 mV
2 - 3 boxes.
What is the acceptable voltage for the T wave?
.2 to .3
How long is the outer limit of the PR interval?
.2 seconds
What leads are considered lateral?
V4, V5, V6, I, aVL
(The leftmost ones)
What leads are considered “inferior?”
II, III, and aVF