Carpeting in hospitals: an epidemiological evaluation.

Epidemiological and microbiological studies were conducted in a hospital room with carpet (CR) and in one with carpet (NCR). Microbiological profiles were determined with specimens obtained from patients admitted to these rooms. Patient records were reviewed to note infection status and other case identities.

Demonstration of bleeding site by 99mTc-labeled red cells.

Radionuclide angiography using in vivo 99mTc-tagged red cells demonstrated different bleeding sites in one patient on three occasions. The study is easy to perform and may be more sensitive than contrast angiography in the presence of slow bleeding.

Rifampin, oral contraceptives, and pregnancy.

Rifampin is a drug used in the treatment of tuberculosis. In the literature, there are reports of seven patients who became pregnant while taking a combination of rifampin and oral contraceptives. We report an eighth case involving a woman who became pregnant twice on this drug combination.