The above rhythm is asystole (cardiac flatline) and refers to the total absence of electrical and mechanical activity of the heart. This is a lethal rhythm which occurs during cardiac arrest, or when the heart suddenly stops pumping blood throughout the body.
ECG features include isoelectric flatline and the absence of ventricular activity. Some patients might have P waves but without any QRS complexes.
Learn more about this and other types of cardiac rhythms in Osmosis: Arrhythmias – Asystole: Nursing
Key Takeaways
- Asystole is the absence of heart electrical and mechanical activity.
- ECG shows a flatline with no QRS complexes, sometimes P waves present.
- It is a life-threatening rhythm seen in cardiac arrest.
- Immediate recognition and response are critical for patient survival.
- Nurses must be proficient in identifying and managing asystole.
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