This consists of a collection of fluid within the pericardium. There is a feeling of uneasiness, or pressure in the cardiac region, a slight cough, difficult and irregular respiration, faintness, disinclination to lie down, a feeble pulse, capricious appetite, disturbed sleep and delirium. If there is stupor, cold extremities, the perspiration clammy, and the action of the heart very much disordered, it usually proves fatal.

TREATMENT. -- Same as for Hydrothorax. Tapping may become necessary in both cases.