EKG Terms Flashcards
(11 cards)
1
Q
What is EKG:
A
Picture of electrical activity of heart
2
Q
X axis:
A
Time
3
Q
Y axis:
A
Magnitude of electrical activity
4
Q
P waves:
A
-First wave in the sequence
-Atrium contacts
-SA node fires
5
Q
PR Interval:
A
SA node==AV node
6
Q
Q wave:
A
2nd part of the sequence
7
Q
QRS Wave
A
Ventricle contracts, AV node fires
PR Ventricular depolarization
8
Q
R wave:
A
Spike wave (highest wave)
9
Q
S wave:
A
wave after spike
10
Q
QT interval:
A
AV node– finish contraction of repolarization of ventricle
11
Q
T wave
A
-Ventricle repolarizes — resetting ventricle neurons
-Final part of the sequence
