9. ventricular tachycardia (V-tach) Flashcards

1
Q

ventricular tachycardia는 무엇인가?

A

심실이 pacemaker로 작용한다.

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2
Q

ventricular tachycardia를 구분하는 기준 2가지는?

A
  1. monomorphic VT / polymorphic VT

2. sustained(>30sec) / unsustained(<30sec)

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3
Q

EKG 양상은?

A
  1. P wave, PR segment 보기 힘듦
  2. QRS complex 0.12초 보다 길다.
  3. ventricular rate 150-250
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4
Q

증상은?

A

sustained VT 일 경우 CO 감소 -> 심방 수축 감소 -> pulmonary edema, hypotension 등등

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5
Q

치료법은?

A
  1. monomorphic VT + 심실 작동 정상
    - > 리도카인, Amiodarone
  2. polymorphic VT + QT 정상
    - > 리도카인, Amiodarone, beta-blocker, procainamide
  3. poloymorphic VT + QT 이상
    - > 마그네슘 정맥주사, 리도카인
  4. VT without pulse -> CPR and rapid defibrillation
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