STEMI LEADS AND VESSLES Flashcards
1
Q
septal leads face
A
V1 and V2
2
Q
septal leads reciprocal changes seen in
A
V7, V8, V9
3
Q
anterior leads
A
V3, V4
4
Q
anterior leads reciprocal changes seen in
A
Nil (may see some in big MI)
5
Q
lateral leads
A
I, AVL, V5, V6
6
Q
lateral leads reciprocal Chages in
A
II, III, AVF
7
Q
inferior leads
A
II, III, AVF
8
Q
inferior reciprocal changes
A
I, AVL
9
Q
posterior leads
A
V7, V8, V9
10
Q
posterior reciprocal changes
A
V1, V2
11
Q
function of the pacemaker cells
A
These cells have automaticity and create the electrical conduction system of the heart
12
Q
depolarisation is..
A
becoming less negative in voltage
13
Q
Repolarization is…
A
becoming more positive in voltage
14
Q
what are cardiac myocytes
A
cells that squeeze the heart
15
Q
what triggers contraction of the heart
A
calcium
