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.
Ultrasound: Sonogram. An ultrasound exam is a procedure that uses high-frequency sound waves to scan a womanâs abdomen and pelvic cavity, creating a picture (sonogram) of the baby and placenta.Although the terms ultrasound and sonogram are technically different, they are used interchangeably and reference the same exam.ltrasound dating of conception is not reliable for determining paternity because the ultrasound can be off by at least 5-7 days in early pregnancy. You may have an ultrasound between 18 to 20 weeks to evaluate dates, a multiples pregnancy, placenta location or complications.