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Questions and Answers
Which of the following conditions can be associated with Left Displaced Abomasum (LDA) in cattle?
Which of the following conditions can be associated with Left Displaced Abomasum (LDA) in cattle?
- Chronic laminitis
- Milk fever
- Ketosis (correct)
- Displaced fracture
During a physical exam of a cow, where should you auscultate to detect a 'ping' indicating a possible LDA?
During a physical exam of a cow, where should you auscultate to detect a 'ping' indicating a possible LDA?
- Right abdomen, over the paralumbar fossa
- Dorsal midline, over the spine
- Left abdomen, between the 9th and 12th intercostal spaces (correct)
- Right abdomen, cranial to the udder
What is the most critical and immediate concern associated with a Right Abomasal Volvulus (RAV) in cattle?
What is the most critical and immediate concern associated with a Right Abomasal Volvulus (RAV) in cattle?
- Mild dehydration
- Rapid progression to shock and hypovolemia (correct)
- Decreased rumen motility
- Gradual weight loss
While performing an abdominal percussion and auscultation on a cow, you detect a 'ping' on the right side. Which of the following structures could potentially be the source of the ping?
While performing an abdominal percussion and auscultation on a cow, you detect a 'ping' on the right side. Which of the following structures could potentially be the source of the ping?
Which surgical approach involves suturing the abomasum to the body wall to prevent further displacement?
Which surgical approach involves suturing the abomasum to the body wall to prevent further displacement?
What is the primary purpose of performing an omentopexy or pyloropexy as part of an abomasal displacement surgery?
What is the primary purpose of performing an omentopexy or pyloropexy as part of an abomasal displacement surgery?
Which surgical approach to correcting abomasal displacement involves making an incision on the ventral midline of the cow?
Which surgical approach to correcting abomasal displacement involves making an incision on the ventral midline of the cow?
Which of the following surgical options for correcting abomasal displacements utilizes specialized instruments inserted through small incisions, often resulting in less tissue trauma?
Which of the following surgical options for correcting abomasal displacements utilizes specialized instruments inserted through small incisions, often resulting in less tissue trauma?
Following surgical correction of an LDA, what is a typical post-operative consideration for a routine case?
Following surgical correction of an LDA, what is a typical post-operative consideration for a routine case?
Which structure is sometimes involved in a Right Abomasal Volvulus along with the abomasum?
Which structure is sometimes involved in a Right Abomasal Volvulus along with the abomasum?
What is the significance of 'sorting TMR' in the history of a cow suspected of having an LDA?
What is the significance of 'sorting TMR' in the history of a cow suspected of having an LDA?
A dairy cow is diagnosed with a right-displaced abomasum (RDA). What is the most likely consequence if the condition is left untreated?
A dairy cow is diagnosed with a right-displaced abomasum (RDA). What is the most likely consequence if the condition is left untreated?
What diagnostic technique involves simultaneously tapping and listening to the abdomen to identify the location and size of gas-filled structures?
What diagnostic technique involves simultaneously tapping and listening to the abdomen to identify the location and size of gas-filled structures?
Which of the listed surgical approaches is NOT commonly used for correcting abomasal displacements in cattle?
Which of the listed surgical approaches is NOT commonly used for correcting abomasal displacements in cattle?
What is a 'blind toggle' procedure in the context of abomasal displacement surgery?
What is a 'blind toggle' procedure in the context of abomasal displacement surgery?
Which of the following displacement types is considered an emergency?
Which of the following displacement types is considered an emergency?
Which of the following is NOT typically associated with LDA?
Which of the following is NOT typically associated with LDA?
The abomasum is located on the _______ side in a LDA and the _______ side in a RDA.
The abomasum is located on the _______ side in a LDA and the _______ side in a RDA.
What is the main goal of surgical correction of a RAV?
What is the main goal of surgical correction of a RAV?
What is the significance of a 'ping' caused by peritonitis or rumen cap in the left abdomen?
What is the significance of a 'ping' caused by peritonitis or rumen cap in the left abdomen?
Why is the left flank approach a common location for LDA surgeries?
Why is the left flank approach a common location for LDA surgeries?
Which of the following diseases might be a complication of both LDA and RDA?
Which of the following diseases might be a complication of both LDA and RDA?
An intermittent displacement of the abomasum is:
An intermittent displacement of the abomasum is:
Why is it important to seek immediate assistance with an RDA case?
Why is it important to seek immediate assistance with an RDA case?
When surgically correcting a RAV, what surgical approach is useful to replace the abomasum?
When surgically correcting a RAV, what surgical approach is useful to replace the abomasum?
Which surgical approach involves the use of a 'spiker tool'.
Which surgical approach involves the use of a 'spiker tool'.
The abdomen should be auscultated over which intercostal spaces when diagnosing a LDA?
The abdomen should be auscultated over which intercostal spaces when diagnosing a LDA?
Which structure is attached to either the omentum or pyloric antrum?
Which structure is attached to either the omentum or pyloric antrum?
Which of the following is a typical postoperative consideration following routine LDA surgery?
Which of the following is a typical postoperative consideration following routine LDA surgery?
What does 'sorting TMR' mean for a cow with a suspected LDA?
What does 'sorting TMR' mean for a cow with a suspected LDA?
A dairy cow exhibits decreased milk production, and preference for roughage over grain, and displays 'pings' on the left side during abdominal auscultation. Which is the most likely diagnosis?
A dairy cow exhibits decreased milk production, and preference for roughage over grain, and displays 'pings' on the left side during abdominal auscultation. Which is the most likely diagnosis?
Why is it essential to differentiate a right-side 'ping' caused by an RDA or RAV from other potential causes, such as peritonitis, cecal distension, or a uterine torsion?
Why is it essential to differentiate a right-side 'ping' caused by an RDA or RAV from other potential causes, such as peritonitis, cecal distension, or a uterine torsion?
Which surgical correction methods can be used to correct an LDA?
Which surgical correction methods can be used to correct an LDA?
In addition to auscultation, what other method is used when diagnosing an abomasal displacement?
In addition to auscultation, what other method is used when diagnosing an abomasal displacement?
Flashcards
Abomasal Displacement
Abomasal Displacement
The abomasum can shift to the left (LDA), right (RDA), or twist (RAV). It can also be intermittent or partially displaced.
Percussion and Auscultation
Percussion and Auscultation
Listening and tapping on the abdomen to detect a 'ping' sound, indicating gas accumulation.
LDA History
LDA History
Waxing and waning milk production, ketosis, preference for roughage, and potential complications.
Left Abdomen ping
Left Abdomen ping
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RDA History
RDA History
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Right Abomasal Volvulus (RAV)
Right Abomasal Volvulus (RAV)
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Right sided pings
Right sided pings
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Auscultation and Succussion
Auscultation and Succussion
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Abomasopexy
Abomasopexy
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Omentopexy
Omentopexy
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Pyloropexy
Pyloropexy
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Ventral Approach
Ventral Approach
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Blind Toggle
Blind Toggle
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Left Flank Abomasopexy
Left Flank Abomasopexy
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Ventral Paramedian Abomasopexy
Ventral Paramedian Abomasopexy
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Study Notes
- Abomasal surgery involves procedures for dealing with displacement of the abomasum.
- Displacement can manifest include left displacement, right displacement, right abomasal volvulus, or intermittently with a "floater" or partial displacement.
LDA History
- Waxing and waning milk production, ketosis, and preference for roughage over grain are indicative of LDA.
- LDA cases may have complications such as abomasal ulcers, peritonitis, toxic metritis, mastitis, and concurrent metabolic disease.
LDA Auscultation
- Auscultate the left abdomen over the 9-12th intercostal spaces.
- Simultaneous percussion and auscultation needed to detect a "ping" sound.
- Pings on the left side may indicate left displaced abomasum, peritonitis, or rumen cap issues.
RDA History
- The symptoms are often similar to LDA, but with pings occur on the right side and if left unchecked the cases rapidly become RAV.
- Right Abomasal Volvulus (RAV) can rapidly develop if RDA is left untreated, it demands immediate intervention due to potential shock, hypovolemia and ileus.
Right Side Pings
- Pings on the right side can indicate issues with the abomasum, cecum, uterus, rectum, duodenum, small intestine, or spiral colon.
- Auscultation and succussion are important diagnostic techniques.
Replacing the Abomasum
- After replacing the abomasum, implement methods such as Abomasopexy using a Left side approach to keep it there.
- Other approach methods are Right side and Ventral approach. -Use Omentopexy or Pyloropexy (pyloric antrum pexy) using the Right side approach -"Blind toggle" or Abomasopexy using the Ventral approach
Left Flank Abomasopexy
- Left Flank Abomasopexy, is performed with a suture technique after replacing LDA with an incision on the animals flank.
Ventral Paramedian Abomasopexy
- The incision is made through the ventral paramedian to secure the abomasum in place.
Ventral "Blind Toggle" Abomasopexy
- It is done using a specific tool to attach the abomasum to the abdominal wall without direct visualization.
Right Flank Pexy, Omentum or Pyloric Antrum
- The omentum or pyloric antrum is sutured to the right flank to prevent further displacement.
Other Options
- Laparoscopic abomasopexy.
- Spiker Tool for Right Flank abomasopexy.
- Ventral blind suture (different from toggle).
Post Op
- After a routine LDA surgery, remove sutures in 2 weeks.
- Prolonged displacements and RAV cases may have prolonged recovery.
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