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?????????????????Electrocardiography (ECG)

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Title: ?????????????????Electrocardiography (ECG)


1
?????????????????Electrocardiography (ECG)
2
????????????????
  • ??? ????? ???????? ????? ??? ?? ??? ????? ???????
    ???????? ?? ?? ??? ??????? ??? ?? ???? ???? ???
    ????????????????? ??? ????.
  • ?? ????? ?? ??? ???? ???????????????? ?????
  • ?? ?????? ??? ????? ???????????????? ?????
  • ?? ???????????????? ?????? ???????? ???????
    ??????(?? ???) ??? ????? ??.

3
??????? ?? ?????? ????????????????
  • 1-????????? ????? ???? ???? ?? ?? ??? (?????)
    ?? ????? (????)
  • 2- ?????? ??????? ????? ????? ? ????? ???????
    ????? ?? ?????? ???? ? ???? ????
  • 3-????? ???? ????? ?????????
  • 4- ???? ???? - ??? ?????
  • - ???? ????? ????

4
?????? ??????
  • ???? POWER
  • ???? ??????/?????
  • ??? ??? (earth)
  • ???? ?????? Mode ( Manual ?? Automatic)
  • ???? ?????? (Sensitivity) mm/1mv 5?10? 20
  • ???? ????? ???? ???? mm/sec 10?25?50
  • ?????

5
?????? ???? ECG
6
Bipolar Limb Leads
?????? ??????
7
I, L1 or D1
  • Right hand negative electrode
  • Left hand positive electrode

8
II, L2 or D2
  • Right hand negative electrode
  • Left foot positive electrode

9
III, L3 or D3
  • Left hand negative electrode
  • Left foot positive electrode

10
Augmented Limb Leads
?????? ?? ???? ????? ?????
11
aVR
  • Right hand positive electrode
  • Left hand and left foot negative electrode

12
aVL
  • Left hand positive electrode
  • Right hand and left foot negative electrode

13
aVF
  • Left foot positive electrode
  • Right and left hand negative electrode

14
????????? ???? ????
15
(No Transcript)
16
????? ???? ??????
  • ???? P ????? ? ????? ?? ?? ??? (???II)
  • ??? P ???? ?? ??? II ? ???? ?? aVR
  • ????? ???? ? ?? ????? ????? PR
  • ????? ????? 100-60
  • ????? ????? RR ? ?? PP

17
????? ???? ???????? ???
18
???? ???????? ???
  • ????? 59 ????
  • ?????? ????? 30- ??? 110 ????
  • ???? ?? 30- ?????? ?? ??
  • ????? ?? 110 ?????? ?? ????

19
???? ????????? ??? ???
20
?????? ???? ????????
  • ???? ?????? ???? ???????? ??? ?? ??? ?? ??????
    ????? ?????? ?? ???.
  • ???? ???? ?? ??? I ? ??? III?????? ?? ????.
  • ??? ???
  • ?????? ??????? ????? ?????? QRS ? ? ??? I
  • ?????? ??? ????? ?? ????? ??? I
  • ??? ?? ???? ?? ???? ???? ??? ?? ?????

21
  • ??? ???
  • ???? ?????? ???? ??? ???? ??? III ??? ????? ??
    ???
  • ??? ???
  • ?? ???? ??? ????? ?? ???? ??? ??? ?? ????
    ???????? ????? (???? ?????) ?????? ??? ??? ?
    ?????? ???? ?? ??? . ??? ????? ???? ???? ????????
    ??? ?? ?? ????? ????? ?? ?? ?? ??? ??? ??????
    ????.

22
??? Equiphasic
  • ?????? ???? ?? ??????? ?? ????? S ? R????? ????
    (??? ???? QRS??? ????)
  • ????? ?????? ???? ?? ??? ???
  • ????? ???? ?? ???? ???? QRS ?? ??? ????
  • ??? ???? ???????? ?? ????? ?? ?? ?? ????

23
????? ????? ????? ???
  • ????? ????? ????? RR ?? ??? ????? ? ????? ??? 60
    ?? ??? ????? ?? ??? ????
  • ?????? ????? ??????? ???? ??? ?? ??? R ?????? ?
    ??? ????? ??? 1500 ?? ??? ?????
  • ?????? ????? ??????? ???? ??? ?? ??? R ?????? ?
    ??? ????? ??? 300 ?? ??? ?????
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