A patient admitted to the emergency department is unresponsi…

A patient admitted to the emergency department is unresponsive after successsful resucitation.  Initial laboratory findings are serum potassium 4.0 mEq/L, serum sodium 142 mEq/L, blood glucose of 210 mg/dL, and an elevated troponin level.  Cardiac monitoring shows multifocal premature ventricular contractions (PVC’s).  The nurse understands that the patient’s PVC’s are most likely caused by:

A patient who has been successfully resuscitated two times f…

A patient who has been successfully resuscitated two times following sudden cardiac death has a transvenous implantable cardioverter-defibrillator (ICD) for management of ventricular arrhythmias.  When performing discharge teaching, the nurse should instruct the patient that: