ECG Review Last Year- Ballam Flashcards
1
Q
limb lead 1
A
right arm to left arm
2
Q
limb lead 2
A
right arm to left leg
3
Q
limb lead 3
A
left arm to left leg
4
Q
aVF
A
RA + LA to LL
5
Q
aVR
A
LA + LL —>RA
6
Q
avL
A
RA + LL ==> LA
7
Q
leads for inferior region of the heart
A
II,III, aVF
8
Q
leads for septal region of heart
A
V1,V2
9
Q
leads for anterior region of the heart
A
V2,3,4
10
Q
leads for lateral region of the heart
A
I, avL, V4, V5, V6
11
Q
aVR is perpindicular to what lead
A
III (120 degrees)
12
Q
aVL is perpindicular to what
A
lead II (60 degrees)
13
Q
axis deviation is from
A
hypertrophy, MI, physical placement of the heart, bundle branch block
14
Q
what will alter the P-wave
A
anything changing the normal origin or path of AP through atria will alter the P wave
- ectopic focus/pacemaker in either atrium or ventricles
- enlarged atria
15
Q
p wave is upright in what leads
A
1,2, V4-V6, AVF
inverted in AVR
variable in all other leads
