Speed of action potentials Flashcards
1
Q
Rate the order of speed of action potential conduction from fastest to slowest
A
- SA node
- Bundle of His, bundle branches, Purkinje fibres
- atrium, ventricular myocardium
- AV node
2
Q
What is the speed of action potential generation in the SA node?
A
100 min-1
3
Q
What is the speed of action potential generation in the Bundle of His, bundle branches, Purkinje fibres?
A
5 ms-1
4
Q
What is the speed of action potential generation in the atrium, ventricular myocardium?
A
0.5 ms-1
5
Q
What is the speed of action potential generation in the AV node?
A
0.05 ms-1
