Straw coloured pericardial fluid

Straw coloured pericardial fluid aspirated into a syringe. Straw coloured fluid indicates an exudative effusion and tuberculosis is an important cause.

1. Pleural effusion – left
2. Multiple air-fluid levels in intestinal obstruction
3. Minimal pleural effusion
4. Tracheal shift to right on X-ray chest PA view