Cholestasis of Pregnancy. Some women experience a very severe itching in late pregnancy. The most common cause of this is cholestasis, a common liver disease that only happens in pregnancy. Cholestasis of pregnancy is a condition in which the normal flow of bile in the gallbladder is affected by the high amounts of pregnancy hormones.
up vote 20 down vote. Octal is used when your word consists of a number of bits divisible by 3. Examples are ancient systems with 18bit word sizes, systems with 9bit bytes, or unix file permissions. If the number of bits in your word is divisible by 4, however, please do use hex, by all means.
Optical coherence tomography can also be used as guide for coronary intervention. Optical coherence tomography (OCT) is a novel invasive imaging technique that produces high resolution intracoronary images. Its general principle of operation is similar to IVUS, however OCT uses infrared light, not ultrasound.