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Cardiology > Arrhythmias > Flashcards

Arrhythmias Flashcards

1
Q

Treatment of asymptomatic bradycardia >40bpm

A

No treatment needed
Stop any causative drugs if they are present
Check TFT

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2
Q

Treatment of bradycardia

A

Give atropine 0.6-1.2mg IV
If no response then insert a temporary pacing wire

If necessary isoprenaline infusion or external pacing

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3
Q

What is sick sinus syndrome?

A

Sinus node dysfunction causes bradycardia and or arrest
SA Node block or SVT alternating with bradycardia/asystole

Tachy-Brady syndrome

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4
Q

Management of sick sinus syndrome

A

Pace if symptomatic

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5
Q

Management of SVT

A

Vagotonic manoeuvres
Then
IV adenosine or verapamil if adenosine fails

Cardiogenic shock if compromised

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6
Q

Adenosine - when and how work?

A

SVT

Blocks AV node temporarily - resets heart

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7
Q

Maintenance therapy for SVT

A

Beta blocker or verapamil

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8
Q

Management of acute AF (

A

Control ventricular rate with beta blocker or verapamil
Or use digoxin or amiodarone

DC shock if compromised or IV amiodarone

Start anti coagulation - LMWH

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9
Q

Management of VT

A

Oxygen mask
Monitoring

IV amiodarone or lidocaine
Maintenance with amiodarone

If fails Dc cardio version

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10
Q

Management of WPW

A

Ablation of accessory pathway

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11
Q

Presentation of arrhythmias

A 
Palpitations 
Chest pain
Presyncope or syncope 
Hypotension
Pulmonary oedema
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12
Q

Management of VF

A

DC shock

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13
Q

What is torsade de pointes?

A

looks like AF but VT with varying axis

Side effect of antiarrhythmics

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14
Q

Treatment of torsade de pointes?

A

Magnesium sulphate 2g IV over 10mins

Overdrive pacing

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15
Q

Management of chronic AF

A

Rate control - beta blocker or verapamil
Then digoxin
Then amiodarone

Anti coagulation

Can try cardio version

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16
Q

Alternative drug for pharmacological cardio version

A

Felcainide

17
Q

Management of paroxysmal AF

A

Pill in pocket

Sotalol or flecainide

18
Q

Management of atrial flutter

A

Carotid sinus massage and IV adenosine - to reveal flutter

Treatment with amiodarone to restore sinus rhythm and amiodarone or soltalol to maintain it

19
Q

Acute AF anti-COAGULATION

A

use heparin until risk assessment done
Use warfarin of risk of emboli is high
If sinus rhythm obtained and no risk of emboli or risk of AF recurrence - then no anticoagulation is needed

20
Q

Chronic AF anticoagulation

A

Warfarin and aim for INR 2-3
Aspirin less good alternative if warfarin CI
Maybe dabigatran

Cardiology (9 decks)

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