Midterm Flashcards
What is Pericardial TB due to?
Pericardial TB is due either to direct extension from adjacent mediastinal or hilar lymph nodes or to hematogenous spread.
Example sentence: Pericardial TB has often been a disease of the elderly in countries with low TB prevalence.
What are the possible symptoms of Pericardial TB?
Possible symptoms of Pericardial TB include dyspnea, fever, dull retrosternal pain, and a pericardial friction rub.
Additional information: The onset may be subacute or acute.
How can a definitive diagnosis of Pericardial TB be obtained?
A definitive diagnosis of Pericardial TB can be obtained by pericardiocentesis under echocardiographic guidance. The pericardial fluid must be submitted for biochemical, cytologic, and microbiologic evaluation.
Additional information: High levels of adenosine deaminase, lysozyme, and IFN-y may suggest a tuberculous etiology.
What is the nature of the pericardial effusion in Pericardial TB?
The pericardial effusion in Pericardial TB is exudative in nature, with a high count of lymphocytes and monocytes. Hemorrhagic effusion is common.
Additional information: Direct smear examination is very rarely positive.
What may suggest a tuberculous etiology in Pericardial TB?
High levels of adenosine deaminase, lysozyme, and IFN-y may suggest a tuberculous etiology in Pericardial TB.
Additional information: Without treatment, pericardial TB is usually fatal.
Reside in the airways with branching processes that
extend in the plane of the epithelial basement
membrane forming a network optimally situated to
sample inhaled antigen
most potent antigen-presenting cells
DENDRITIC CELL NETWORK
