Ekg Flashcards
1
Q
PR interval
A
.12-.2
2
Q
QT interval
A
.3-.4
3
Q
P wave duration
A
.08-.1
4
Q
QRS duration
A
0.06-.1
5
Q
One big box length =
A
.20 seconds
6
Q
One little box length =
A
0.04 seconds
7
Q
One big box height =
A
.5 mV
8
Q
Sinus rhythm w/ first degree block
A
PR >.20 secs
Represents slowing of conduction through AV node
9
Q
Mobitz type 2
A
PR intervals are consistent but some p waves don’t conduct
10
Q
Lateral MI
A
Leads: I,aVL,V5-6
L circumflex
11
Q
Inferior MI
A
Leads: II,III,aVF
RCA
12
Q
Anteroseptal MI
A
Leads: V1-4
LAD
13
Q
Anterior MI
A
Leads: I,aVL,V1-4
LAD
14
Q
Posterior MI
A
Leads: V1-2
Increase R wave, decrease ST, decrease T
PDA
15
Q
Precordial leads
A
V1-6
16
Q
Limb leads
A
I,II,III,aVF,aVL,aVR
17
Q
Increased QT
A
Decreased Ca
Increased K
18
Q
Decreased QT
A
Increased Ca
19
Q
Axis deviation leads
A
I and aVF
20
Q
Left axis deviation
A
I=up
aVF=down
21
Q
Right axis deviation
A
Down (I)
Up (aVF)
