A typical ECG in AF shows no P waves and an irregular ventricular rate. AF is often treated with medications to slow the heart rate to a near normal range (known as rate control) or to convert the rhythm to normal sinus rhythm (known as rhythm control). Electrical cardioversion can also be used to convert AF to a normal sinus rhythm and is often used emergently if the person is unstable.
How does a water tower work? Water towers provide extra water storage for a town's water supply. They hold about a day's worth of water, so if the town's pumps fail (like during a power outage), the water tower acts as a backup water supply.
Dams produce hydroelectricity, and the step to creat that, is very easy. What you need to build a dam is a river with a large drop in elevation-such as a waterfall.The dam stores lots of water behind it in it's reservoir-or a lake-type thing as a result of decreased water flow.Near the bottom of the dam, there is a water intake controler, that only allows certain amounts of water to flow into a tunnel.In the tunnel, the water flows down a large drop-called a penstock-and gravity causes it to gain speed.ear the bottom of the dam, there is a water intake controler, that only allows certain amounts of water to flow into a tunnel. In the tunnel, the water flows down a large drop-called a penstock-and gravity causes it to gain speed.