Normal ECG Flashcards
1
Q
What is the normal range for PR interval?
A
0.12-0.2 s
2
Q
What is the normal time/width of QRS complex?
A
0.08-0.1 seconds
3
Q
What happens during QRS?
A
Ventricular depolarisation and atrial repolarisation
4
Q
What happens in the ST segment?
A
isovolemic ventricular relaxation
5
Q
What happens during the T wave?
A
Ventricular depolarisation
6
Q
What does a big box on an ECG (made of 5 small boxes across) represent?
A
0.2s
0.5mV
7
Q
What does each tiny box on an ECG represent?
A
0.04s
0.1mV
8
Q
Which 3 leads view the Right Coronary artery?
A
AVF
II
III
9
Q
Which leads view the Left Anterior Descending artery?
A
V1-4
10
Q
Which leads view the Left circumflex artery?
A
V5-6
AVL
I
