L.4,7 ECGs Flashcards
1
Q
What does lead II, III, aVF refer to which side
A
Inferior side of the heart- right coronary artery and its branches- kind of at the back as well
2
Q
What does lead V3,V4 refer to which side
A
anterior - mostly around the left anterior descending artery
3
Q
What does lead V1, V2 refer to which side
A
Septal - left anterior descending artery
4
Q
What does lead I, aVL, V5, V6
A
Lateral side: left circumflex
5
Q
What does the AP do when it goes down the interventricular septum
A
It stiffens it, isolating the left ventricular power from distorting the right ventricle. Also provide some baseline tension to papillary muscles before main contraction- so it is effective
