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Final Notes > FN: Broad complex Tachycardias > Flashcards

FN: Broad complex Tachycardias Flashcards

1
Q

Definition

A

rate >100 bpm

QRS width >120 secs

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2
Q

Differential

A

VT
Torsades de points
SVT with BBB

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3
Q

VT causes:

A 
IM QVICK
Infarction (esp w/ ventricular aneurysm)
Myocarditis
QT interval increased
Valve abnormality: mitral prolapse, AS
Iatrogenic: digoxin antiarrhythmias, catheter
Cardiomyopathy (esp. dilated)
Hypokalamia, hypomagnism, hypozia, acidosis
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4
Q

Mx

A
  1. Oxygen and IV access
  2. Adverse signs: sedation, synchronised cardioversion, amiodarone
  3. no adverse signs: correct electrolyte problems
  4. Assess rhythma
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5
Q

Regular rhythm Rx

A

Amiodarone

Lignocaine

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6
Q

Irregular rhythm

A

AF with BBB
Pre-excited AF: Flecainide/amiodarone
TDP: MgSO4 2g IV over 10 min

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7
Q

Recurrent/Paroxysmal VT

A

Medical:

  1. Amiodarone
  2. Beta-blocker

ICD

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