arrythmia Flashcards
1
Q
what is arrhythmia?
A
2
Q
what is the membrane potential in cardiac myocyte at rest
A
3
Q
how many stages does action potential have
A
4
Q
explain action potential - the 5 stages
A
5
Q
where is pace maker *sinoatrial node * cells found
A
6
Q
what is the refractory period
A
7
Q
explain the stages of pacemaker action potential
A
8
Q
what does sympathetic do?
A
speed up heart rate
9
Q
parasympathic
A
slows down heart rate
10
Q
which receptor is right vagus acting on
A
M2
11
Q
symptahetic/ noradreanaline affecting which adrenopreceptor
A
b1
12
Q
left vagus acting. on which receptor
A
m2
13
Q
what does p wave show
A
AD
14
Q
what does QRS complex show
A
VR
15
Q
T wave
A
VR