EKG Flashcards
1
Q
P wave
A
<.12
too tall - LAH
too long - RAH
upright in leads I and II
2
Q
QRS
A
<.12
.10-.12 IVCD
3
Q
QT interval
A
hypercalcemia
prolonged -> hypocalcemia
4
Q
U wave
A
- hypokalemia
5
Q
AXIS determination
A
I, aVF (+, +) - normal (+, -) - left axis deviation (-, +) - right axis deviation (-, -) extreme right axis deviation biphasic - axis is perpendicular to lead
6
Q
Q wave
A
< 1/3 the height of R-wave infarct - II, III, aVF - inferior - LAD or *RCA I, aVL, V5, V6 - lateral wall - circumflex V1, V2 - septal wall V3, V4, anterior wall - LAD V1, V2, V3, V4 - > antero-septal wall II, III, aVL, V1-V4 -> apical wall
7
Q
RCA
A
SA + AV node
bundle of His
8
Q
LAD
A
RBB, anterior LBB