Narrow Complex Tachycardia Flashcards
1
Q
Definition of Narrow Complex Tachycardia
A
Rate of > 100 bpm and QRS complex duration of < 120 ms
2
Q
Management Principle of Narrow Complex Tachycardia
A
Compromised patient = DC conversion
Identify rhythm & treat accordingly
Vagal manoeuvres
Adenosine
3
Q
Types of Narrow Complex Tachycardia
A
Sinus tachycardia Supraventricular tachycardia Atrial fibrillation / flutter Atrial tachycardia Multifocal atrial tachycardia Junctional tachycardia
4
Q
Management of Sinus tachycardia
A
Treat underlying cause
5
Q
Management of SVT
A
Vagal manoeuvres Adenosine IV Verapamil 5mg IV over 2 min Atenolol 2.5mg IV at 1mg / min at 5 min intervals DC cardioversion
6
Q
Management of AF/AF
A
SSS
7
Q
Management of Atrial Tachycardia
A
Rare
If due to digoxin toxicity - stop digoxin
Maintain K+ at 4-5mmol/L
8
Q
Management of Multi-focal Atrial Tachycardia
A
Occurs in COPD Two distinct P waves with irregular P-P intervals Correct hypoxia & hypercapnia Verapamil B-blocker
9
Q
Management of Junctional Tachycardia
A
Vagal Manoeuvres
Adenosine
Recurs = amiodarone + B-blocker
Radiofrequency ablation
