Palpitation
An uncomfortable feeling within the chest caused by an irregular heartbeat.
Arrhythmia
Non Sustained Ventricular Tachycardia [NSVT]
An abnormally fast heartbeat caused by irregular electrical impulses that originate in the lower chambers of the heart (the ventricles). Ventricular tachycardia that stops by itself within 30 seconds is called non-sustained ventricular tachycardia (NSVT). Any ventricular tachycardia is considered a potentially dangerous cardiac arrhythmia. However, because NSVT does not persist, it is substantially less … Read more
Long QT Syndrome [LQTS]
Prolongation of the Q-T interval on the elctrocardiogram. It indicates susceptability to ventricular tachycardia, ventricular fibrillation, and sudden death. It may be familial or caused by certain drugs (sotalol, amiodarone, certain antipsychotic drugs) A condition affecting the electrical pathways of the heart.