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.
Group B strep facts. 1  Group B strep are bacteria found normally in the intestine, vagina, and rectal area in about 25% of all healthy women. 2  Group B strep infections can affect neonates and adults. 3  Most pregnant women who are colonized by the bacteria have no symptoms.he incidence of GBS infection in adults increases with age, with the highest rate in adults 65 years of age and older (20-25 cases per 100,000). Although the incidence of neonatal group B strep infection has been decreasing, the incidence of group B strep infection in nonpregnant adults has been increasing.