Electrocardiogram (ECG) Flashcards
1
Q
What does a ECG show?
A
electrical activity of the heart
2
Q
What are the different types of waves called?
A
P WAVE
T WAVE
QRS COMPLEX
3
Q
What is the P wave?
A
atrial contraction (depolarisation)
4
Q
What is the T wave?
A
ventricles relaxing (repolarising)
5
Q
What is the QRS complex?
A
ventricular contraction (depolarisation)
6
Q
What are the different types of abnormal heart activity?
A
tachycardia
bradycardia
fibrillation
ectopic heartbeat
7
Q
What is trachycardia?
A
resting HR which is too fast over 120 BPM
8
Q
What is bradycardia?
A
resting HR is slow and less than 60 BPM
9
Q
What is fibrilation?
A
irregular heart beat
atria and ventricles lose rhythm
10
Q
What is ectopic heartbeat?
A
early contraction of atria and ventricles
