St. Helens Chronicle. August 18 at 7:00pm Â·. I would suggest the City of St. Helens contact Boise, ask for at least one-half the cost of this cleanup of this PP and, if they do not agree, the City of St. Helens should bring suit against Boise for knowingly polluting and contaminating our environment.
Arrhythmias are characterized by their site of origin:  the atria or the ventricles. Supraventricular arrhythmias occur in the upper areas of the heart and are less serious than ventricular arrhythmias. Ventricular fibrillation is the most serious arrhythmia and is fatal unless medical help is immediate.
types of arrhythmia the four main types of arrhythmia are premature extra beats supraventricular su prah ven trik yu lar arrhythmias ventricular arrhythmias and bradyarrhythmias bray de ah rith me ahs premature beats are the most common type of arrhythmia they re harmless most of the time and often don t cause any symptoms when symptoms do occur they usually feel like fluttering in the chest or a feeling of a skipped heartbeat most of the time premature beats need no treatment especially in healthy people