12 Lead EKG Flashcards
1
Q
Lateral Infarction
A
I, aVL, V5, V6
LCX occlusion
2
Q
Inferior Infarction
A
II, III, aVF
RCA occlusion
3
Q
Anterior Infarction
A
V1, V2, V3, V4
LAD occlusion
4
Q
Posterior Infarction
A
V1, V2
RCA and /or LCX occlusion
5
Q
Abnormal Q Waves indicate…
A
- heart damage
- abnormal conduction
- never go away
- permanent damage
6
Q
LBBB
Causes…
A
-Septal depolarization is right to left. (Normally left to right)
- Anterior MI
- > K
- Digoxin toxicity
- HTN
7
Q
RCA supplies blood to…
A
- Right atrium
- Right Ventricle
- SA Node (55% of population)
- AV Node (90% of population)
- Posterior wall (90% of pop)
- PDA (85% of pop)
8
Q
LAD supplied blood to…
A
- Anterior Wall LV
- Interventricular Septum
- Right Bundle Branch
- Anterior division of Left BB
- Papillary muscles to mitral valve
9
Q
LCX Supplies Blood To…
A
- Lateral Wall LV
- Posterior Wall LV (10% pop)
- SA Node (45% pop)
