Cardiac arrhythmia - PowerPoint PPT Presentation

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Cardiac arrhythmia

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2. ??????????????????????? (Electrical activity)??????????????? ... Drug intoxication : digitalis. Infection : Pneumonitis. Shock and anemia. 2. Cardiac Cause ... – PowerPoint PPT presentation

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Title: Cardiac arrhythmia


1
??????????????????????(Cardiac arrhythmia)
  • ??????? ?????????????????????/????????????????????
    ???????????????
  • ??????????????????????????????????? 2 ????
  • 1. ????????????????????? (Mechanical cell)
  • 2. ??????????????????????? (Electrical
    activity)???????????????(Conduction)

2
??????????????????????
  • ????????????????????????????? Pacemaker cell
    ??????? SA node AV node, Atrium ??? Ventricle ???
    SA node ?????? Primary pacemaker
  • SA node ???????????????????????? 60-100
    ?????/????
  • Av node ???????????????????????? 40-60 ?????/????
  • Ventricle ??????????????????????????????? 40
    ?????/????
  • ??????? Pacemaker ?????????????????????????????
    ? Pacemaker ??????????????????????????????????????
    ???

3
???????????????????????????
  • 1. Non- cardiac Cause
  • Electrolyte imbalance hypo-hyperkalemia
  • Drug intoxication digitalis
  • Infection Pneumonitis
  • Shock and anemia
  • 2. Cardiac Cause
  • Coronary artery disease
  • Hypertensive heart disease
  • Valvular heart disease
  • 3.Arrhythmegenic Syndrome WPW , SSS

4
?????????????????????????????????
  • Abnormal impulse formation
  • 1.1 Autonomicity ????????????????????
  • 1.2 Triggered activity
  • 2. Abnormal conduction
  • 2.1 conduction block
  • 2.2 Reentry
  • ?????????????????????????????? ??????? 2
    ????????? ???
  • Bradyarrhythmia
  • Tachyarrhythmia

5
???????????? Cardiac arrhythmia
  • ?????????......
  • ?????????????????????
  • ?????????????? ???????????
  • ?????????????????????

6
??????????????????
  • Physiological method CSM, Valsava maneuver
  • Drug antiarrhythmic drug , digitolis
  • Electrical electro- cardioversion
  • Surgical ablation
  • ???????????????????????????????????????????
  • ??????????? EKG ??????????????
  • ????????????????????????????????????????
    ???????????????????????
  • ?????????????? ???????????????????????????????????
  • ?????????????????????? EKG 12 lead ???????

7
??? Monitor EKG ????????????????????????
  • 1. ????????????????????????????
  • 2. ???????????????????? ???????????????????
  • 3. ?? P wave ???????
  • 4. ORS complex ????????????
  • 5. ????????????????????? P wave ??? ORS complex
    ???????
  • 6. ?????????? PR interval

8
??????????????????????????????????????????????????
???
  • ???????????????????????????????????????????????
    ???????? ?????????????????????????????????????????
    ?????
  • ?????????????? ?????????????? ????????????? ?????
  • ??????????????? ?????????
  • ?????????????????
  • ?????????????????
  • ???????????????

9
??????????????????
  • Arenosine
  • Half life ?????? 10 ??????
  • ??????? 6 mg IV ?????????? 1-3 ????????????????
    NSS 20 ml
  • ??????? ??????????????????????????????????????????
    ?????????????????????
  • ??????????? ????????? Asthma ,COPD????????????????
    ????? brochospasm ???

10
??????????????????
  • Verapamil
  • ??????? 2.5-5 mg IV ????????? 2-3 ????
    ?????????????????????
  • 5 mg ?? 15-30 ???? ????????????????? 20 mg
  • ??????????? ?????????? ???????????????????????????
    ?????? ???????????? ??????????????????????????????
    ?
  • ???????????? ?? SSS , 2, 3 AV block ??? CHF
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