Asystole

Exam Cram

• Definition of asystole: cardiac arrest with no electrical impulse (flat lining)

• Commonest cause: large myocardial infarction

• Diagnosis: ECG

• Management: Advance Life Support- non shockable rhythm

  • Immediate cardiopulmonary chest compressions, 

  • IV adrenaline

  • Intubation 

Factors associated with good outcomes for cardiac arrest (in order)

1. Shockable rhythm: VT, VF

2. Age < 50 yrs

3. Bystander CPR

4. Female sex

Written in 2025