Veterinary Clinical Medicine-I (General and Systemic)

CLINICAL SIGNS

• Inappetence, or anorexia, a marked drop in milk pro­duction and varying degrees of ketosis.
• The left lateral abdomen appears 'slab-sided'
• Temperature, heart rate and respirations are within normal ranges.
• The feces are reduced in volume and softer than normal but diarrhea may occur.
• Ruminal movements decreased in frequency and intensity
• Rumen pack is pal­pable in the left paralumbar fossa.
• Rumen sounds not be audible over an area anterior to the fossa .

Other clinical features

• Rectal examination
  • A sense of empti­ness in the upper right abdomen is appreciated.
  • The rumen is usually smaller than expected
  • The dis­tended abomasum may palpable to the left of the rumen..
• Anterior displacement of abomasum
  • The characteristic LDA pings can­not be elicited over the typical region.
  • Normal rumen contractions can be heard in LPF.
  • Gurgling sounds may be audible just behind and above the heart and on both sides of the thorax.
  • The distended abo­masum can be felt between the reticulum and diaphragm, if a rumenotomy is done
• Atrial fibrillation
  • A paroxysmal atrial fibrillation

Course of LOA

• The course of an LDA is highly variable. -several weeks or even a few months.