Resp Tb Flashcards
1
Q
What special stains can be used to detect mycobacterium tb and describe them
A
Ziehl Neelsen stain- acid fast bacilli appear pink
Auramine-rhodamine stain- appears reddish yellow on fluorescence microscopy
2
Q
What are the common clinical features of pulm tb
A
Systemic features: weight loss, low grade fever, night sweats, decr appetite
Pulm: non productive cough, productive cough with sputum and hemoptysis
Sob
Pleuritic chest pain
3
Q
What is the gold standard diagnostic test for tb and what is the drawback of it
A
Culture
Takes 2-6 weeks to develop
4
Q
What may be seen on xray in a patient with primary tb
A
Consolidation Hilar lymphadenopathy Ghon complex Pleural effusion Cavitation (rare)
