Difference between revisions of "Respiratory System Clinical Signs - Pathology"
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**Lesion has resulted in nasal septum destruction | **Lesion has resulted in nasal septum destruction | ||
***[[Nasal cavity - hyperplastic and neoplastic|Neoplasia]] | ***[[Nasal cavity - hyperplastic and neoplastic|Neoplasia]] | ||
| − | ***[[Fungal | + | ***[[Respiratory Fungal Infections - Pathology|Fungal infection]] |
*Unilateral discharge: | *Unilateral discharge: | ||
**Lesion is cranial to nasal septum eg: nasal or sinus lesion; pharyngeal or guttural pouch lesion in horses. | **Lesion is cranial to nasal septum eg: nasal or sinus lesion; pharyngeal or guttural pouch lesion in horses. | ||
Revision as of 16:29, 31 July 2008
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Nasal discharge
- Bilateral discharge:
- Lesion is caudal to nasal septum eg: pharyngeal lesion; LRT lesion in horses
- Lesion has resulted in nasal septum destruction
- Unilateral discharge:
- Lesion is cranial to nasal septum eg: nasal or sinus lesion; pharyngeal or guttural pouch lesion in horses.
- Type of discharge
- Serous
- Catarrhal
- Purrulent
- Haemorrhage
Sneezing
- Nasal
Facial swelling
Pain
- Any location
Coughing
Dyspnoea/altered air flow
- Respiratory noise
Epistaxis
- Haemorrhage from the nose
- May originate from nasopharynx or lower respiratory tract
- Causes
- Inflammation eg: ulcerative rhinitis
- Neoplasia eg: infiltrating tumour, haemangioma
- Trauma
- Clotting defects
- Horse:
- Nasal aspergillosis
- Ethmoidal haematoma = 'Haemorrhagic nasal polyp', 'Progressive haematoma' - arise from the ethmoid region and can extend to fill the nasal cavity. They can be difficult to control as they can recur after surgery.
- Histology - multiple areas of acute to chronic haemorrhage within a fibrous tissue stroma.
- Exercise-induced pulmonary haemorrhage
- Rupture of rectus capitus - profuse haemorrhage
- Mycotic infection of guttural pouches
- Nasolacrimal haemorrhage
- Nasal/pharyngeal trauma/foreign body
- Sinus neoplasia
- Sinus cyst
- Sinusitis
- Lower airway disease
- Pulmonary neoplasia
- Cardiac
- Mitral insufficiency
- Atrial fibrillation
- Skeletal
- Head trauma
- Rarely hypertension or vascular aneurysms
- Blood stained nose at post-mortem - terminal pulmonary congestion, oedema, haemorrhage
Dysphagia
- Horses
- Gastrointestinal tract
- Oesophageal obstruction
- Respiratory tract
- Retropharyngeal abscesses e.g. strangles
- Other retropharyngeal masses
- Pharyngeal foreign body
- Pharyngeal paralysis
- Neurological
- Guttural pouch mycosis
- Equine grass sickness
- Botulism
- Lead poisoning
- Gastrointestinal tract
- Cleft palate
- Dummy foal
- Equine respiratory disease by clinical signs
- Contains pictures and videos
- From Equine Respiratory Diseases edited by P. Lekeux, published by the International Veterinary Information Service (IVIS)
- Requires IVIS membership