An echocardiogram can utilize one or more of four special types of echocardiography: 1  M-Mode echocardiography: This is the simplest type of echocardiography. It produces an image that is similar to a line tracing rather than an actual picture of heart structures.
I do have a band saw use it for resawing and cutting curves . Its a item you could do without but once you have one you find you use it more then you think. You do need to have a few different size (width) blades to take full advantage of the tool. herrwood is offline.
These kinds of saws can also be used (with the proper blade) on metals, plastic, and ceramics. Features to look for on a jig saw include variable speeds, an orbital blade motion, a laser line, dust blowers, and lights to illuminate your cut. Again, this kind of saw comes in either a battery powered or corded models.