Changes

==Diagnosis==

==Diagnosis==

===Clinical Signs===

===Clinical Signs===

Effusions may occur in any of the major body cavities, causing ascites, hydrothorax or pericardial effusion.  '''Ascites''' is often of a high volume. An abdominal fluid thrill will often be palpable and the abdomen may appear to be grossly swollen.

Effusions may occur in any of the major body cavities, causing ascites, hydrothorax or [[Pericardial Effusion|pericardial effusion]].  '''Ascites''' is often of a high volume. An abdominal fluid thrill will often be palpable and the abdomen may appear to be grossly swollen.

'''Hydrothorax''' will cause coughing, tachypnoea and dyspnoea if severe. Dullness will be evident on thoracic percussion if a pleural effusion has developed and the heart sounds will be muffled on auscultation.

'''Hydrothorax''' will cause coughing, tachypnoea and dyspnoea if severe. Dullness will be evident on thoracic percussion if a pleural effusion has developed and the heart sounds will be muffled on auscultation.

'''Pericardial effusion''' may be sufficiently severe to cause cardiac tamponade and right-sided heart failure. The heart sounds will be muffled on auscultation and there may be hepatojugular reflux, a jugular pulse or signs of left-sided forward failure.  In horses and cattle, '''ventral oedema''' is much more likely to be encountered than ascites in animals with congestive heart failure.

'''Pericardial effusion''' may be sufficiently severe to cause [[Cardiac Tamponade|cardiac tamponade]] and [[Heart Failure, Right-Sided|right-sided heart failure]]. The heart sounds will be muffled on auscultation and there may be hepatojugular reflux, a jugular pulse or signs of left-sided forward failure.  In horses and cattle, '''ventral oedema''' is much more likely to be encountered than ascites in animals with congestive heart failure.

===Diagnostic Imaging===

===Diagnostic Imaging===