Water reuse can reduce the amount of freshwater diverted from sensitive ecosystems, as well as the amount of wastewater â and the pollution it carries â discharged to waterways. In the case of nonpotable reuse, it means avoiding the use of precious potable water where that level of quality is not required. Because of nutrients retained in water when it is not treated to drinking water standards, irrigating with recycled water can reduce chemical fertilizer use.
An abnormal EKG can mean many things. Sometimes EKG abnormalities are a normal variation of a heartâs rhythm, which does not affect your health. Other times, an abnormal EKG can signal a medical emergency, such as a myocardial infarction (heart attack) or a dangerous arrhythmia.
ECG, EKG Cardiology A non-invasive test of the electrical activity of heart's conduction system, which is transformed into recordings on graph paperâan electrocardiograph; in an EKG, electrodesâleads are placed on 12 specific sites of the body: standard limb leadsâI, II, III, augmented limb leadsâaV r , aV l, and aV f, and precordial or chest leadsâV 1 to V 6; EKG tracings consist of 3 major components: the P wave, which indicates atrial depolarization, the QRS complex ...