netFormulary South East London Joint Medicines Formulary NHS
Guy's and St Thomas' NHS Foundation Trust
Kings College Hospital NHS Foundation Trust
Lewisham and Greenwich NHS Trust
 Formulary Chapter 2: Cardiovascular system - Full Chapter
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02.03.02  Expand sub section  Drugs for arrhythmias

In all acute tachycardias with a wide QRS complex, it is advisable to seek expert advice unless the precise nature of the arrhythmia is known. The use of the incorrect drug in these circumstances is dangerous.

Adenosine can be helpful diagnostically in this setting because its shorter action makes it relatively safe. Failure of the tachycardia to respond suggests that it is ventricular rather than supraventricular

02.03.02  Expand sub section  Supraventricular arrhythmias
Adenosine injection

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Dronedarone tabs

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Amber 2

Link  NICE TA197: Atrial fibrillation - dronedarone    
02.03.02  Expand sub section  Supraventricular and ventricular arrhythmias
02.03.02  Expand sub section  Ventricular arrhythmias
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Traffic Light Status Information

Status Description
  Red   Specialist Prescribing only. The responsibility for prescribing, monitoring, dose adjustment and review should remain with the specialist. In very exceptional circumstances a specialist may discuss individual patient need for a RED drug to be prescribed by a GP and the GP should consider informing the Medicines Management team before a decision is made to prescribe for individual patients.   
  Amber 1   Treatment can be initiated in primary care after a recommendation from an appropriate specialist  
  Amber 2   Specialist initiation followed by maintenance prescribing in primary care  
  Amber 3   Specialist initiation with ongoing monitoring required. After dose stabilisation GPs can be requested to take over prescribing responsibilities using the approved APC shared care documentation  
  Green   Specialist and non-specialist initiation  
  Grey   Not recommended for prescribing