Synchronized Cardioversion vs. Defibrillation

This video explains the difference between synchronized cardioversion and defibrillation. It delineates the indications for both procedures and the absolute and relative refractory periods as well as the different parts of the defibrillator.

PLEASE NOTE: A PATIENT IN VFIB WILL NEVER HAVE A PULSE SO ONLY DEFIBRILLATION IS INDICATED!

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SINUS RHYTHMS
SINUS RHYTHMS

ATRIAL RHYTHMS
1. Premature Atrial Contractions (PACs) Premature Atrial Contractions (PACs)
2. Atrial Flutter Atrial Flutter
3. Atrial Fibrillation Atrial Fibrillation
4. Supraventricular Tachycardia (SVT) Supraventricular Tachycardia (SVT)

ATRIOVENTRICULAR RHYTHMS
1. First degree Atrioventricular (AV) Block First Degree AV (Heart) Block
2. Second degree  Atrioventricular (AV) Block (aka Mobitz Type I or Wenckebach) Second Degree AV (Heart) Block Type I...
3. Second degree Atrioventricular (AV) Block (aka Mobitz Type II or Classical Heart block)  Second Degree AV (Heart) Block Type I...
4. Third degree Atrioventricular (AV) Block or Complete Heart Block Third Degree/Complete AV (Heart) Block

VENTRICULAR RHYTHMS
1. Premature Ventricular Complexes/Contractions (PVCs) Premature Ventricular Contractions (P...
2. Ventricular Tachycardia (Vtach) Ventricular Tachycardia (VTach)
3. Ventricular Fibrillation (VFib) Ventricular Fibrillation (VFib)
4. Pulseless Electrical Activity (PEA) Pulseless Electrical Activity (PEA)
5. Asystole (aka ventricular standstill) Asystole (aka ventricular standstill)