Diagnostics for weight loss Flashcards

1
Q

where should you look at on the horse to assess muscle wastage

A

head muscles
cervical
epaxial

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2
Q

List 5 things you can see on transabdominal ultrasound in horses

A

SI wall thickness
LI wall thickness
Liver- right and left lobules
Peritoneal fluid
Masses

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3
Q

what SI wall thickness is considered abnormal on ultrasound

A

> 4mm

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4
Q

What LI wall thickness is considered abnormal in horses

A

> 6mm

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5
Q

where abouts can you assess LI wall thickness on ultrasound transabdominally

A

right distal colon - 11-13th ICS

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6
Q

Where can you assess SI wall thickness on transabdominal ultrasound

A

inguinal area
cranioventral abdomen

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7
Q

What is the best way to assess intestinal function in horse

A

glucose absorption test

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8
Q

what is the main diagnostic tool for inflammatory bowel disease in horses

A

Intestinal biopsies

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9
Q

List 2 causes of weight loss that faecal analysis be useful to diagnose

A

Parasites
sand enteropathy- faecal sedimentation test

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10
Q

List 4 liver values we can look at in horses

A

SDH
AST
GGT
Bile acids

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11
Q

List 4 things you can assess in peritoneal fluid

A

colour and turbidity
lactate level
protein level
WBC

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12
Q

what can high lactate in peritoneal fluid indicate

A

intestinal ischaemia or bacterial population

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13
Q

what can high protein in peritoneal fluid indicate

A

inflammation or infection

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14
Q

what can high WBC in peritoneal fluid indicate

A

infection

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15
Q

what are full-thickness biopsies useful for

A

eosinophilic enteritis, lymphoma and grass sickness

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16
Q

what are duodenal biopsies useful for

A

a few lymphocytic-plasmacytic and eosinophilic enteritises

17
Q

what are rectal biopsies good at diagnosing

A

some granulomatous enteritis and some multisystemic eosinophilic epitheliotropic diseases

18
Q

what is a limitation of FECs

A

adults producing eggs must be present

19
Q

list 2 things we can test for on faecal PCR

A

lawsonia intracellularis or salmonella

20
Q

How do we diagnose sand enteropathy

A

radiography and ultrasound

21
Q

is SDH liver specific

A

Yes
But it can increase with GI obstruction or enteritis

22
Q

what enzymes are found hepatocellularly in horses

A

SDH and AST

23
Q

what enzymes are found in the biliary ducts in horses

A

GGT, ALP

24
Q

is AST liver specific

A

no, it is found in muscles, RBCs and kidneys

25
Q

is GGT liver specific

A

no, it is found in the reproductive tract, urinary tract, mammary glands and pancreas

26
Q

is ALP liver specific

A

80% liver specific and 20% bone

27
Q

where can you asses the liver on ultrasound

A

RHS - 6-17th ICS

LHS - 7-9th ICS

28
Q

to definitively diagnose liver disease, what is needed

A

biopsies - histopathology, bacterial culture and viral PCR