1E Flashcards
1
Q
How many electrodes does a 3 lead ECG have?
A
four
2
Q
How many electrodes does a 12 lead ECG have?
A
10 electrodes - 6 chest and 4 limb
3
Q
Which lead are we going to focus on?
A
Lead 2
4
Q
What are the flat areas of the ECG called?
A
segments
5
Q
What are the intervals of the ECG?
A
a mix between a segment and a wave
6
Q
What is overdrive suppression?
A
SA node is the main pacemaker and it is the fastest. If it is suppressed then the AV node and the Purkinje fibers can override the SA node