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.
On this Page. While the rates of serious group B strep infections are higher among newborns than among any other age group, serious group B strep disease can occur in other age groups in both men and women. Spread to Others. The sources of disease caused by group B strep bacteria are unknown. Group B strep bacteria are common in the gastrointestinal tract (the part of your body that digests food, including the stomach and intestines) of men and women and may be a source of some infection.