1 The mechanical horsepower, also known as imperial horsepower, of exactly 550 foot-pounds per second is approximately equivalent to 745.7 watts. 2  The metric horsepower of 75 kgf-m per second is approximately equivalent to 735.5 watts or 98.6% of an imperial mechanical horsepower.
An ultrasound scan, also referred to as a sonogram, diagnostic sonography, and ultrasonography, is a device that uses high frequency sound waves to create an image of some part of the inside of the body, such as the stomach, liver, heart, tendons, muscles, joints and blood vessels.
An arthrogram is a type of X-ray in which a contrast material such as a dye, air or both is injected into a joint. Arthrography is used so that your doctor or surgeon can see the soft tissues of the joint (tendons, ligaments, muscles and cartilage) better. These things cannot be seen on a standard X-ray. An arthrogram is done to: