The nurse is reviewing the patient's Do Not Resuscitate orders when the cardiac alarm sounds.The rhythm is chaotic with no identifiable waves and the rate cannot be determined.Based on these clinical findings,the nurse determines that the patient is in which of the following cardiac rhythms?

A) Asystole
B) Ventricular fibrillation
C) Ventricular tachycardia
D) Sinus bradycardia

Ventricular Fibrillation

A life-threatening heart rhythm disorder characterized by rapid, irregular heartbeats that prevent the heart from pumping blood effectively.

Cardiac Rhythm

The pattern of electrical activity of the heart as it beats, which can be normal (sinus rhythm) or indicative of various heart conditions.

Asystole

A state of no electrical activity and no contractions in the heart, leading to a lack of blood flow, also known as flatline.