15-ecg1
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Lab. no. 15:
Electrocardiograp hy recording an electrocardiogram (ECG)
[email protected]
The electrocardiographic Leads (6 limb leads): c.Three standard “bipolar” limb leads:
Each lead is actually a pair of electrodes connected to the body on opposite sides of the heart (e.g. lead I, records potential difference between electrodes placed on right arm and left arm). [email protected]
RA
LA
RA
Lead I
LA Le a III d
d Lea II
LL
LL
Einthoven’s triangle [email protected]
b. Augmented “ unipolar ” limb leads: These are aVR, aVL and aVF. They are recorded by a special arrangement in the electrocardiograph, which shows potential difference between one limb and mean potential in the other two limbs.
[email protected]
RA
LA
RA
LA
RA
LA
LL
LL
LL
aVR
aVL
aVF [email protected]
[email protected]
[email protected]
[email protected]
Electrocardiograp hy recording an electrocardiogram (ECG)
[email protected]
The electrocardiographic Leads (6 limb leads): c.Three standard “bipolar” limb leads:
Each lead is actually a pair of electrodes connected to the body on opposite sides of the heart (e.g. lead I, records potential difference between electrodes placed on right arm and left arm). [email protected]
RA
LA
RA
Lead I
LA Le a III d
d Lea II
LL
LL
Einthoven’s triangle [email protected]
b. Augmented “ unipolar ” limb leads: These are aVR, aVL and aVF. They are recorded by a special arrangement in the electrocardiograph, which shows potential difference between one limb and mean potential in the other two limbs.
[email protected]
RA
LA
RA
LA
RA
LA
LL
LL
LL
aVR
aVL
aVF [email protected]
[email protected]
[email protected]
[email protected]
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