TBL 3 Flashcards
1
Q
SA node
what is the intrinsic rhythmical discharge rate of SA node
RMP
threshold volate
why are they the normal paccemaker cells?
A
2
Q
bachmann’s bundle, wenckebach’s, Thorel
what do these do and what is their speed ?
A
3
Q
characteristics of AV node?
how long is the delay?
A
4
Q
what is the is the general path of impulse? why is this path important?
A
5
Q
characteristics of purkinje fibers
impulse velocity:
time of normal transmission of cardiac impulse from begining to end of the fiber?
A
6
Q
what is the firing rate of sinoatrial node
A
7
Q
describe the role of fast sodium channels, L (long lasting)- type slow calcium channels, T (transient)- type calcium channels
where are they located
A
8
Q
types of K channels and when do they play a role
A
