An oriental patient with dyspnea, fever and weight loss undergoes the test below. X-ray reveals an enlarged cardiac silhouette and It is suspected that the patient may have an infection that has caused the fluid accumulation. The test that can help make the diagnosis of the organism in the pericardial cavity is
A. Pericardial fluid color
B. Adenosine deaminase
C. Pericardial fluid culture
D. Lateral chest x-ray
E. Mycolic acid levels
