Pulseless electrical activity is best described as:

Pulseless electrical activity is best described as:

• A. The monitor shows a completely flat tracing with no electrical activity.
• B. The monitor shows an identifiable rhythm but no pulse palpated.
• C. The monitor shows an rapid irregular rhythm with no QRS complexes.
• D. P waves are clearly visible preceding QRS.

Answer: (B)

Pulseless electrical activity means there is electrical activity seen on the monitor, but the heart isn’t pumping effectively and no pulse can be felt. The best description is that the monitor shows an identifiable rhythm but no pulse palpated. This reflects the key idea: organized electrical activity without a corresponding mechanical pulse. If the trace were completely flat, that would be no electrical activity at all (asystole), not PEA. If the rhythm on the monitor were rapid and irregular with no QRS complexes, that would be ventricular fibrillation or a similar chaotic rhythm, which is different from an organized rhythm with no pulse. And if P waves clearly precede QRS, that suggests normal conduction and a typical pulse would be expected; that pattern doesn’t describe the mismatch between electrical activity and circulation seen in PEA.

Pulseless electrical activity means there is electrical activity seen on the monitor, but the heart isn’t pumping effectively and no pulse can be felt. The best description is that the monitor shows an identifiable rhythm but no pulse palpated. This reflects the key idea: organized electrical activity without a corresponding mechanical pulse.

If the trace were completely flat, that would be no electrical activity at all (asystole), not PEA. If the rhythm on the monitor were rapid and irregular with no QRS complexes, that would be ventricular fibrillation or a similar chaotic rhythm, which is different from an organized rhythm with no pulse. And if P waves clearly precede QRS, that suggests normal conduction and a typical pulse would be expected; that pattern doesn’t describe the mismatch between electrical activity and circulation seen in PEA.