What is ventricular tachycardia?

Ventricular tachycardia is characterized as a rapid heart rate that starts in the heart ventricles. This can be a dangerous heart rhythm and necessitates prompt diagnosis and treatment.

The electrical signals originating from the ventricles abnormally fire which disrupts with the electrical signals originating from the sinoatrial (SA) node which is the natural pacemaker of the heart. The quick heartbeat does not permit sufficient time for the heart to be filled before it contracts so that blood could not be pumped all over the body.

Possible causes

Ventricular tachycardia is generally linked with heart conditions that disrupt with the normal conduction system of the heart. These ailments might include:

ventricular-tachycardia

The type and length of treatment is based on the precise cause of ventricular tachycardia.

  • Diminished oxygen supply to certain parts of the heart due to the lack of coronary artery blood flow
  • Cardiomyopathy
  • Using prohibited drugs such as cocaine
  • Certain medications
  • Sarcoidosis

What are the indications of ventricular tachycardia?

  • Palpitations
  • Dizziness
  • Shortness of breath
  • Lightheadedness
  • Nausea (in some individuals)
  • Loss of consciousness
  • Cardiac arrest

Management

The type and length of treatment is based on the precise cause of ventricular tachycardia. If needed, the treatment might include the following:

  • Prompt electrical defibrillation
  • Medications
  • Radiofrequency ablation
  • Surgery

Always bear in mind that ventricular arrhythmia might be either tolerated or can be life-threatening. The severity of the condition is largely based if cardiac dysfunction is present as well as the rate of ventricular tachycardia.

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