Atrial fibrillation

Definition

An atrial tachyarrhythmia characterised by rapid (usually faster than 300 bpm), irregular and uncoordinated atrial impulse generation, usually manifesting on ECG with indistinct P-waves and an irregularly irregular ventricular response.

6 subordinate codes

• BC81.30Paroxysmal atrial fibrillation
• BC81.31Persistent atrial fibrillation
• BC81.32Permanent atrial fibrillation
• BC81.33Preexcited atrial fibrillation
• 4B4YOther specified diseases of the immune system
• 4B4ZDiseases of the immune system, unspecified

Nearby in Supraventricular tachyarrhythmia

• BC81.0Ectopic atrial tachycardia
• BC81.1Junctional ectopic tachycardia
• BC81.2Macro reentrant atrial tachycardia
• BC81.4Wolff-Parkinson-White syndrome
• BC81.5Sinus node reentrant tachycardia
• BC81.6Inappropriate sinus tachycardia
• BC81.7Atrioventricular reciprocating tachycardia
• BC81.8Atrioventricular nodal reentry tachycardia