What rhythm is typically identified by regular heartbeats with a consistent P wave pattern?

The rhythm characterized by regular heartbeats accompanied by a consistent P wave pattern is indeed normal sinus rhythm. In a normal sinus rhythm, the electrical impulses originate from the sinoatrial (SA) node, which is the heart's natural pacemaker. This results in a steady rate of 60 to 100 beats per minute, with each heartbeat preceded by a clearly defined P wave reflecting atrial depolarization, followed by the QRS complex and T wave representing ventricular depolarization and repolarization, respectively.

The presence of identical P waves in a regular pattern signifies that the impulses are originating from the same location in the heart, maintaining a coordinated and efficient contraction of the atria and ventricles. This regularity and consistency in P wave morphology differentiate it from other rhythms where P waves may be absent or irregular.

In atrial fibrillation, the rhythm is irregularly irregular, and P waves are not discernible, as multiple reentrant impulses within the atria cause chaotic electrical activity. Atrial flutter also produces a distinctive "sawtooth" pattern of P waves rather than a consistent one. Ventricular fibrillation presents as chaotic and disorganized electrical activity that lacks any recognizable waveforms, resulting in ineffective ventricular contractions.

Thus