Related Experiment Video

Updated: Aug 31, 2026

Method for Recording Broadband High Resolution Emission Spectra of Laboratory Lightning Arcs
07:51

Method for Recording Broadband High Resolution Emission Spectra of Laboratory Lightning Arcs

Published on: August 27, 2019

Electrical storm: case series and review of management

Uma N Srivatsa1, Ramin Ebrahimi, Adel El-Bialy

  • 1Department of Cardiology, West Los Angeles VA Medical Center and Department of Cardiology, Olive View Medical Center, Sylmar, UCLA School of Medicine, Los Angeles, California 90073, USA.

Journal of Cardiovascular Pharmacology and Therapeutics
|September 25, 2003
PubMed

Insights

Electrical storm, a severe arrhythmia, presents diverse triggers from heart attack to drug overdose. Management strategies are evolving, questioning traditional treatments like lidocaine in favor of amiodarone and beta-blockers.

Area of Science:

  • Cardiology
  • Electrophysiology
  • Critical Care Medicine

Background:

  • Electrical storm is defined as recurrent, hemodynamically destabilizing ventricular tachyarrhythmia requiring cardioversion or defibrillation.
  • Understanding the diverse triggers and optimal management of electrical storm is crucial for patient outcomes.

Observation:

  • Case 1: Refractory ventricular tachycardia in a patient with recent ST-elevation myocardial infarction and stroke.
  • Case 2: Polymorphic ventricular tachycardia and fibrillation post-dobutamine echocardiography.
  • Case 3: Intractable ventricular fibrillation after a weight-reduction pill overdose.

Findings:

  • The cases illustrate varied clinical scenarios leading to electrical storm.
  • Discussion critically examines the shift towards intravenous amiodarone and beta-blockers over intravenous lidocaine.

Implications:

  • Highlights the need for individualized management of electrical storm based on underlying causes.
  • Suggests a re-evaluation of current treatment guidelines for ventricular tachyarrhythmias.
  • Emphasizes the importance of considering drug toxicity and concurrent medical conditions in electrical storm management.

More Related Videos

Comparative Study of Simulation of Temperature Rise in Ring Main Unit04:35

Comparative Study of Simulation of Temperature Rise in Ring Main Unit

Published on: July 5, 2024

Related Concept Videos

Power System Three-Phase Short Circuits01:21

Power System Three-Phase Short Circuits

Determining the subtransient fault current in a power system involves representing transformers by their leakage reactances, transmission lines by their equivalent series reactances, and synchronous machines as constant voltage sources behind their subtransient reactances. In this analysis, certain elements are excluded, such as winding resistances, series resistances, shunt admittances, delta-Y phase shifts, armature resistance, saturation, saliency, non-rotating impedance loads, and small...
Reclosers and Fuses01:26

Reclosers and Fuses

Automatic circuit reclosers enhance the protection of distribution circuits by interrupting and auto-reclosing an AC circuit according to a preset sequence. They effectively manage temporary faults on overhead distribution lines, often caused by tree limbs or wildlife, by briefly disrupting service to improve overall reliability. However, contact with reclosers or energized broken conductors on the ground can pose serious hazards.
A comprehensive protection scheme for radial distribution...
Series R—L Circuit Transients01:22

Series R—L Circuit Transients

In a series resistor-inductor (R-L) circuit, closing the switch at the start of the time period simulates a three-phase short circuit, a fault condition where all three phases of an unloaded synchronous machine are short-circuited. When there is no fault impedance and no initial current, the initial voltage is determined by the phase angle of the source voltage.
Using Kirchhoff's Voltage Law (KVL) to analyze this circuit helps determine the total asymmetrical fault current, which consists of...
Circuit Breaker and Fuse Selection01:23

Circuit Breaker and Fuse Selection

A circuit breaker is a device engineered to interrupt fault currents and sometimes reclose automatically. When a fault current is detected, the breaker separates the electrical contacts, which generates an arc. This arc is extinguished by methods such as elongation, cooling, or splitting, depending on the breaker's design. Breakers are categorized based on the voltage they operate at and the medium used for arc extinction, such as air, oil, SF6 gas, or vacuum.
In high-voltage systems, circuit...
Insulation Coordination01:23

Insulation Coordination

Insulation coordination is the process of matching electric equipment's insulation strength with protective device characteristics to protect the equipment against expected overvoltages. This selection is based on engineering judgment and cost. Equipment can generally withstand short-duration high transient overvoltages, but repeated tests with identical waveforms can yield inconsistent results. As a result, standard impulse voltage waveforms are used for testing, defined by specific times for...
Electrical Power01:07

Electrical Power

Electric power is the product of current and voltage, represented in units of joules per second, or watts. For example, cars often have one or more auxiliary power outlets with which you can charge a cell phone or other electronic devices. These outlets may be rated at 20 amps and 12 volts, so that the circuit can deliver a maximum power of 240 watts. Consider a 25 Watt bulb and a 60 Watt bulb. The conversion of electrical energy produces heat and light, while the kinetic energy lost by the...