ECGs Flashcards
0
Q
What are the five parts of the ECG and what does each bit represent?
A
P wave = atrial depolarisation
QRS complex = ventricular depolarisation
T wave = ventricular repolarisation
1
Q
What is an ECG?
A
An electrical signal recorded on the surface of the body associated with the heart
2
Q
Why is atrial repolarisation not visible on an ECG?
A
Occurs at the same time as ventricular depolarisation
Only a small change
3
Q
Where does lead I look?
A
The left side of the heart
4
Q
Where does lead II look?
A
Towards the apex of the heart
5
Q
Where does lead III look?
A
From the bottom of the heart
6
Q
Where does the aVL lead look?
A
Left lateral surface
7
Q
Where does the aVF lead look?
A
The inferior surface
8
Q
Where the the aVR lead look?
A
The right ventricle
