Rating Newest Oldest. Best Answer: Behind-the-scenes: When Star Trek creator Gene Roddenberry was asked about the NCC registry, he replied that there was no significance to the letters and numbers comprising the registry of the U.S.S. Enterprise.
Supraventricular Extrasystoles Supraventricular Extrasystoles - ECG Supraventricular extrasystole (SVES) is one of the most common abnormalities that is found in ECGs. The problem is caused by sinoatrial (SA) node itself or by other location in heart atria. The problem is premature emission of electric impulse that spreads throughout the atria and then it is transmitted to the ventricles.
SVT is usually triggered by extra heartbeats (ectopic beats), which everyone has. It may also be triggered by: 1  some medications, including asthma medications, herbal supplements and cold remedies. 2  drinking large amounts of caffeine or alcohol.3  tiredness, stress or emotional upset.4  smoking lots of cigarettes.auses of supraventricular tachycardia. Supraventricular tachycardia (SVT) is caused by a problem with electrical impulses in the heart. Heartbeats are normally initiated by a small group of cells at the top of the heart called the sinoatrial node, which acts as the heart's natural pacemaker.