ECGS Flashcards
(43 cards)
artery affected in II,III and AVF
right coronary a
LAD leads affected
I,AVL V1-V6
what does a delta wave mean
indicates that the ventricles are being activated earlier than normal from a point distat from the AV node
condition showing delta waves
wolff parkinson white syndrome
what does a delta wave cause
slurred upstroke of QRS
lateral leads
I,AVL, V5-V6
Anterior leads
V2-V4
Artery affected in v2-v4
LAD
posterior leads
v7-v9
anterolateral leads
I,AVL,V3-V6
artery affected in anterolateral leads
LAD, circumflex
affects circumflex artery
I,AVL,V5-V6
Right axis deviation
lead 3 most positive
lead 1 negative
what is right axis deviation associated ith
ventricular hypetrophy
left axis deviation
lead 1 most posiitve
2 and 3 are negative
what does prolonged PR interval suggest
AV delay, av block
first degree heart block
prolonged PR interval
second degree heart block type 1
progressive prolongation of pr interval until atrial imoulse no conducted and QRS drops
where does second degree heart block occur
av node
second degree heart block
consistent pr interval with intermittent dropped QRS
when does second degree heart block occur
after AV node in bundle of his
third dgeree heart block
no electrical communication between atria and ventricles
LBBB
w in lead 1
m in lead 6
what can cause LBBB
aortic stenosis