ECG Flashcards
(23 cards)
What is an ECG
Visual representation of electricity that flows through the heart
How many physical Leeds are there
10
What are the sticky pads called
Electrodes
How many Limb leads are there
4
Where do the 4 limb leads go
Wrists and ankles
Exercise is hip and shoulder
How many percordial leads are there
6
Why is it called a 12 lead ECG
The positive charges are picked up through the 10 leads have 12 victors therefore give 12 pictures on the ECG reading
What are the four letters that are represented on the ECG print out
PQRST
What is the right arm left arm and left foot limb leads called
AVR AVL AVF
What does a AV stand for
Augumented vector
Where does the impulse begin
The S a node
The impulse travels from the SA node right to left to watch other node
Av node
What does this impulse cause
The ventricles to contract
What is the P in the printout
The depolarisation at the SA node
What happens at the Q in the printout
Arrived at the AV node and wait for the SA node to stop contracting
What is the R in the printout
The AV node releases to the bundle of his ans the purkinjie fibres
How long should one ecg read take?
0:35-0.46s
What is the purpose of an ecg in sport?
Pre-screening purposes for athletes in order to monitor hypertrophic cardiomyopathy
What is hypertrophic cardiomyopathy
The excessive Thickening of the heart
What are bipolar leads and unipolar leads
Bipolar - limb
Unipolar- Av
What colour lead to go on the left side of the body
Black and yellow
What are use if person has a regular rhythm
The role of 300
What are use of the person has an irregular rhythm
10s rule