ECG Flashcards
1
Q
What does the P-wave represent?
A
Atrial depolarization
2
Q
What does the Q-wave represent?
A
Left to right depolarization of the interventricular septum
3
Q
What does the R-wave represent?
A
Depolarization of the main ventricular mass
4
Q
What does the S-wave represent?
A
Depolarization of the ventricles at the base of the heart moving
5
Q
What does the T-wave represent?
A
Ventricular repolarization
6
Q
Where does the V1 chest lead go?
A
V1- Fourth intercostal space immediately right of the sternum
7
Q
What does the PR interval indicate?
A
AV nodal delay
