Skip to content

NCLEX Review & Nursing School

"The Largest NCLEX Online Review" "Nursing School and NCLEX simplified"

Premature Ventricular Contraction

– a premature contraction of the ventricles due to unexpected firing within one of the ventricles.

– Abnormal conduction within the ventricles.

– There is no P wave before the PVC.

– Can be Multifocal or Unifocal.


Ventricular Tachycardia

– originates from the ventricles

– at least 3 consecutive ventricular contractions.

– QRS Complex is widened


  • Ventricular:  unknown
  • Atrial: Absent


  • R-R Interval: Regular
  • P-P Interval: Absent


  • PR Interval: Absent
  • QRS Complex:  Chaotic, bizzare and widened

Ventricular Tachycardia

– ♣ Can lead to cardiac arrest or V Fib.

– paroxysm of 3 beats or more.

– Prepare patient for cardioversion.



%d bloggers like this: