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19 Cards in this Set
- Front
- Back
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what is stridor?
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High pitched noise from the upper respiratory tract. Mainly i eg airway obstruction
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What is atresia?
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Absent or closed body orifice
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What spp is Oak poisonous to?
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Mainly Cattle, esp Calves, then the rest of the large animals. pigs are less susceptible.
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WHat is Oaks pathophysiology
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The Tannin is degraded into a product that denatures proteins and is astringent to GIT (allowing more absorption) also causes renal tubular necrpsos when excreted
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WHat are the clinical signs of Oak leaf poisoning
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latent period of 1-2 w
Death in 3-10d with bitter milk S/C oedema of brisket neck and abdomen, rumen stasis dullness, depression, listlessness, anorexia, constipation. bloody diarrhoea, Icterus Discoloured urine & other urine abnormalities, Kyphosis, |
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Kyphosis
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Tucked up abdomen
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What are the clinical signs of Acorn Poisoning?
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Sudden death or found dead in field. Renal Failure
Severe colic, thirst Black faeces and blood clots passed Watery discharge from eyes and nose, gastric rupture, ammonia odour on breath crave acorns urine SG 1.010 |
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Oak poisoning treatement
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5-10% lime feeding before posioning will ppt tannins
Activated charchoal Good Quality hay Rumenectomy to remove impaction fluids for acidosis |
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Oak poisoning prognostic factors
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Monitor BUN & Creatinine. If greater than 50 mmol/l then prognosis is grave.
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What foods will produce onion like toxicities? they are all in the same family?
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Onions, Garlic, Leeks
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Pathogenesis of Onion poisoning
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HAemolytic effects
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Cs of Onion toxicity
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Haemolytic anaemia and Heinz-Body formation,
Earlier - haemoglobulinurea and inappetance. contact dermatitis Discoloured tissue & liver |
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Ragwort poisoning pathogenesis
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Part of the plant is broken down into metabolites that react with RNA & DNA polymerases. they are antimytotic & carcinogenic
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What are the clinical signs of ragwort poisoning?
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Acute is rare but dull colic diarrohea jaundice death in a few weeks
Chronic has several months latency and possibly acute sign onset esp in horses Cattle loss condition, Cachexia, constipation, rectal prolapse, jaundice, bile stained diarrhoea All spp behavioural changes, aggression, l8r aimless walking, drag hindlegs, head pressing, crustyness about head, Coma & Death Pigs Dyspnoea & Ataxia |
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Astringent
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Chemical that tends to shrink or constrict body tissue
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4 cardinal signs of Pyrrolizidine alkaloid toxicity or ragwort
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>Centrilobular necrosis
>Portal fibrosis & bile duct proliferation >Megalocytosis / Karyomegaly >Venous & Pericenous fibrosis |
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Diagnosing Ragwort poisoning
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Cs, Hx, Liver biopsy & plasma biochemistry,
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Nephrotoxic
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aminoglycoside antibiotics, radiocontrast agents, ethylene glycol,
75 NSAIDs, heme pigments, ACE inhibitors, cisplatin, amphotericin, Easter lilies, heavy metals, hypercalcaemia |
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hepatotoxic drugs
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NSAIDS; Carprophen, paracetamol. Asprin
Acetaminophen |
