Table 2. Pericardial effusion studies .

LDH: lactate dehydrogenase, wbcs: white blood cells, rbcs: red blood cells.

Cytology	Negative
Culture and Gram stain	Negative
Albumin	<0.2 g/dL
Protein	<0.2 g/dL
LDH	<10 U/L
Cell count	wbcs = 277/ul, rbcs 250/ul, segmented neutrophil % = 32, lymphocyte % = 10, monocyte % = 57, eosinophil % = 1