First-Line Drug Susceptibility Testing (SL-DST) for Tuberculosis: Introduction, Principle, Procedure, Result-Interpretation, and Keynotes

 Introduction First-Line Drug Susceptibility Testing (FL-DST or sometimes referred to in context as SL-DST when covering all first-line agents: Rifampicin, Isoniazid, Ethambutol, Pyrazinamide) is a crucial laboratory procedure used to determine if a patient’s Mycobacterium tuberculosis (Mtb) strain is sensitive or resistant to primary anti-TB …

Read more

Rifampicin Resistant Indeterminate- Introduction, Result, Cause, Implication, and Summary

Rifampicin Resistant Indeterminate result of Mycobacterium tuberculosis

Introduction “Rifampicin resistant indeterminate” refers to an unclear or inconclusive result in testing for resistance to the antibiotic rifampicin, often used in the treatment of tuberculosis (TB). Here’s a breakdown of the term: Rifampicin Resistant Result and Cause Indeterminate Result: This means the test did …

Read more