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Yr 3 Medicine Cardiology > Arrhythmia > Flashcards

Arrhythmia Flashcards

1
Q

What is the pathology behind atrial fibrillation?

A

Recurrent, uncoordinated contration @ 300-600bpm as LA loses refractoriness before the end of atrial systole

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2
Q

What are some common causes of atrial fibrillation?

A

IHD
Rheumatic heart disease
Thyrotoxicosis
Hypertension

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3
Q

What are some less common causes of atrial fibrillation?

A

Alcohol, Pneumonia, PE, post op, hypokalaemia, RA

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4
Q

What are the symptoms of atrial fibrillation?

A

Can be non e

Chest pain, palpatations, dyspnoea, faintness

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5
Q

What are the signs of AFib?

A

Irregularly irregular pulse
Fast AF may have no palpable pulse due to loss of diastolic filling
Signs of LVF

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6
Q

What cardioversion can be used in acute AF?

A 
Electrical
Pharmacological (1st flecainide if no structural heart disease 2nd amiodarone)
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7
Q

What drugs are used for pill in pocket treatment of paroxysmal AF?

A

Flecainide, propafenone

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8
Q

What is the CHA2-DS2-VAS score?

A

Determines the necessity of anticoagulation in AF

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9
Q

What is the outcome of CHAD-VAS?

A

0 - aspirin 300mg

1 and above - warfarin

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Yr 3 Medicine Cardiology (9 decks)

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