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.
Insufficiency of the atrioventricular valves causes systolic murmurs: mitral regurgitation(MR) and tricuspid regurgitation(TR). Auscultatory Sites. There are four important areas used for listening to heart sounds. These are: Aortic area, Pulmonic area, Tricuspid area, Mitral Area (Apex).