AF Flashcards

1
Q

what % of CO are the atria responsible for?

A

25% of CO

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2
Q

state some cause of AF?

A
common:
 IHD
􏰀 Rheumatic heart disease
􏰀 Thyrotoxicosis
􏰀 Hypertension
Alcohol
􏰀 Pneumonia
􏰀 PE
􏰀 Post-op
􏰀 Hypokalaemia
􏰀 RA
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3
Q

what investigation is used to find structural abnormalities during AF?

A

TTE (trans thoracic ECHO)

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4
Q

Acute AF is managed by emergency cardioversion

what are the two ways of doing this?

A

electrical
pharmacological
- 1st: Flecainide (if no structural heart disease)
􏰁- 2nd: Amiodarone

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5
Q

how is atrial flutter managed ?

A

same as AF management

Amiodarone to restore sinus

􏰁Amiodarone or sotalol to maintain it

Cavotricuspid isthmus ablation (RA) is Rx of choice.

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