Category Archives: Infection control


TB: Bronchoscopy or sputum collection?

Excluding tuberculosis

The situation

Excluding the possibility of tuberculosis is a common clinical situation. Older patients, chronic lung disease and increased use of immunosuppression increase the risk of tuberculosis reactivation and have created an increasingly common scenario where active contagious tuberculosis needs to be excluded quickly and with minimum inconvenience. Continue reading

Chlorhexidine structure

Preoperative use of chlorhexidine


The following is a summary of notes that I collected on use of chlorhexidine for reduction in surgical site infections.

What is it?

A chemical antiseptic that has been commonly used by dentists for oral hygiene. Lately it has found wider acceptance as a presurgical skin and hand scrub. Continue reading