9.The Electrocardiogram Flashcards
1
Q
Measured potential depends on
A
Magnitude of charges
Orientation of dipole and electrodes
Distance between dipole and electrodes
2
Q
Einthoven’s
triangle
A
Bipolar limb leads
3
Q
lead 1
A
LA-Ra
4
Q
lead 2
A
LL - RA
5
Q
lead 3
A
LL - LA
6
Q
Wilson’s Central Terminal
A
UNIPOLAR LEADS:
Wilson’s central terminal
(Indifferent electrode)
V ≈ 0
7
Q
3 types of leads
A
limb
augmented
precordial
8
Q
precordial unipolar chest leads
A
v1-6
looking at heart from front and side - horizontal plane
9
Q
Precordial leads
A
unipolar chest leads v1-6
looking at heart from front and side - horizontal plane
10
Q
12 lead ECG
A
6 in frontal plane- limb and augmented
6 in horizontal plane-precordial
11
Q
unipolar limb leads
A
Vright
Vleft
Vfoot
12
Q
augmented unipolar leads
A
aVr
aVl
aVf
13
Q
6 frontal plane leads
A
unipolar limb leads
augmented unipolar leads
