Pericardial aspiration with a needle electrode.
D004322:Drainage; D004566:Electrodes; D005122:Exudates and Transudates; D006321:Heart; D006801:Humans; D009339:Needles; D010496:Pericardium; D019616:Thoracic Surgical Procedures
DRAINAGE; EXUDATES AND TRANSUDATES; PERICARDIUM