Chap 9 Intro To The 12 Lead ECG Flashcards
0
Q
Only ____ seconds of sampling time is required to record all 12 leads
A
10
1
Q
The 12 lead ECG provides a ____ second view of each lead
A
2.5
2
Q
In adults, the normal QRS axis is considered to be between ___ +90° in the frontal plane
A
-30
3
Q
Leads _____ a VF divide the heart into four quadrants
A
I
4
Q
In this phase of infarction, ST segment elevation may develop, indicating myocardial injury in progress
A
Early acute
5
Q
In this phase of infarction, you may see the presence of T-wave inversion
A
Fully evolved
6
Q
Leads II and III are ____ leads
A
Inferior
7
Q
Leads V5 & V6 are _____ leads
A
Lateral
8
Q
Leads V1 & V2 are _____ leads
A
Septum
9
Q
I the standard 12-lead ECG, leads II, III, and aVF “look” at tissue supplied by the:
A
Right coronary artery
