Question

identify rhythm.

v-paced
av paced (dual) working and sensing appropriately.
a- paced
av paced w/ failure to capture

Explanation:

Analyze pacemaker spikes on the ECG strip

The ECG strip shows two distinct pacemaker spikes preceding each QRS complex:

1. An atrial pacing spike preceding a paced P-wave (or atrial depolarization).
2. A ventricular pacing spike preceding a wide, paced QRS complex.

Evaluate sensing and capture

• Every atrial spike is followed by an atrial response (P-wave).
• Every ventricular spike is followed by a ventricular response (QRS complex).
• The pacing intervals and sensing are consistent and appropriate throughout the strip, with no evidence of failure to pace, failure to sense, or failure to capture.

Determine the correct rhythm classification

• Since both chambers (atrium and ventricle) are paced appropriately, the rhythm is dual-chamber paced (AV paced).
• The pacemaker is working and sensing appropriately.

Answer:

• V-paced
• AV paced (dual) working and sensing appropriately. (Correct answer)
• A- paced
• AV paced w/ failure to capture