The officer is given the opportunity to freeze the action by stepping in to investigate. Unlike probable cause that uses a reasonable person standard, reasonable suspicion is based upon the standard of a reasonable police officer. 1  Probable Cause Arrests vs. Arrest Warrants.  Probable Cause Arrests vs. Arrest Warrants.
medical Definition of P wave : a deflection in an electrocardiographic tracing that represents atrial activity of the heart â compare qrs complex, t wave Seen and Heard What made you want to look up P-wave? Please tell us where you read or heard it (including the quote, if possible).
P wave. the first complex of the electrocardiogram, during sinus and atrial rhythms, representing depolarization of the atria; if the P wave is retrograde or ectopic in axis or form, it is labeled P'. wave, the component of the cardiac cycle shown on an electrocardiogram as an inverted U-shaped curve that follows the T wave and precedes the QRS complex. It represents atrial depolarization.