- The lead most commonly referenced in cardiac monitoring is lead II.
- For the purposes of this training module, lead two will specifically referenced unless otherwise specified.
- The P wave in lead II in a normal heart is typically rounded and upright in appearance.
- Changes in shape must be reported. This can be an indicator that the locus of stimulation is changing or the pathway taken is changing.
- P waves may come in a variety of morphologies i.e. rounded and upright, peaked, flattened, notched, biphasic (second complex, pictured), inverted and even buried or absent!
- Remember to describe the shape. This can be very important to the physician when diagnosing the patient.