<prompt> What is electrical storm?3 episodes of ventricular tachycardia within 24 hours3 episodes of atrial tachycardia within 24 hoursElectromechanical dissociationElectrical alternans  <response>: Electrical storm: Condition in which patient develops recurrent V. tachycardia. Cut off 3 episodes of V.T within 24 hrs. Option C: Electromechanical Dissociation: Terminology used to describe rupture hea which causes pulseless BP Option D: Electrical alternans- Variations in QRS amplitude in conditions - C. tamponade 