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Cardiology > Arrythmias > Flashcards

Arrythmias Flashcards

1
Q

Holiday heart syndrome

A

Binge-drinking and MJ can cause AF or SVT (resolved by abstinence)

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2
Q

Wenckebach phenomenon

A

Mobitz I (2nd degree)

AV block, PR gets longer until QRS is dropped

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3
Q

What is AVN-RT?

A

AVN reentry tachycardia (most common type of SVT)

  • early contraction makes electrical impulse enter circuit & circle back around, sudden sustained tachy
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4
Q

CHA2DS2-VASc score

A

Risk of AF patient having
- stroke/TIA
- VTE
NICE recommends anticoags for score >2
(MDCalc)

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5
Q

ORBIT Score

A

AF - bleeding risk with anticoags

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6
Q

What does a monomorphic VT look like on an ECG?

A

Same shape, fast QRS

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7
Q

How does pulseless electrical activity (PEA) present?

A

No palpable pulse, still sinus

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8
Q

SVT management

A

Attempt vagal manoeuvres:
- Valsalva’s manoeuvre
- carotid sinus massage

IV Adenosine (horrible, feels like going to die) don’t give to asthmatics (6mg)

Transcutaneous pacing
Transvenous pacing

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9
Q

How is AF treated?

A

Haemodynamically unstable:
- emergency synchronised DC shock (cardioversion)

Stable:

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Cardiology (13 decks)

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