Ankle Brachial Index. The Ankle Brachial Index (ABI) is the systolic pressure at the ankle, divided by the systolic pressure at the arm. It has been shown to be a specific and sensitive metric for the diagnosis of Peripheral Arterial Disease (PAD).
Group B streptococcus (group B strep) is a type of bacteria that causes infection among newborns, pregnant women or women after childbirth, females after gynecologic surgery, and older male and female patients with other serious diseases.roup B streptococcus (group B strep) is a type of bacteria that causes infection among newborns, pregnant women or women after childbirth, females after gynecologic surgery, and older male and female patients with other serious diseases.
Strep is short for Streptococcus, a type of bacteria. There are two types: group A and group B. Group A strep causes. 1  Strep throat - a sore, red throat, sometimes with white spots on the tonsils.  Scarlet fever - an illness that follows strep throat. It causes a red rash on the body.