Pharyngeal trauma and abscess Flashcards
pharyngeal trauma and abscess - what causes
- balling guns, dose syringes, stomach tubes
- Careful with a balling gun
- Course feed or foreign objects
- Mixed 2° bacterial infections
Signs of pharyngeal trauma and abscess
- INSPIRATORY DYSPNEA
- Head, neck extension
- Stridor
- Painful to palpation
- Ozena
- Retropharyngeal LN abscess
What type of dyspnea with pharyngeal trauma and abscess?
- INSPIRATORY
Dx of pharyngeal trauma
History PE Painful swelling Visual or digital examination of pharynx Endoscopy Radiology
Treatment for pharyngeal trauma or abscess
- Establish drainage
- Systemic antibiotics
- NSAIDs
- Support (fistula, etc.)
Necrotic laryngitis
- Infection of laryngeal mucosa (acute) and/or cartilage (chronic)
Mucosal infection - acute or chronic (necrotic laryngitis)?
- Acute
- Smells like foot rot
Cartilage infection - acute or chronic (necrotic laryngitis)?
Chronic
- White plaque
- may get swelling or impingement of the arytenoids
Clinical signs with necrotic laryngitis?
- Acute onset - moist painful cough
- Anorexia, depression, fever
- Stertorous breathing, inspiratory dyspnea
- Ozena/halitosis
- Palpably and visibly enlarged larynx
- Often aspiration pneumonia and poor doers chronically
Type of dyspnea with necrotic laryngitis?
- Inspiratory
Who gets necrotic laryngitis?
Calves 3-24 mo
Dx of necrotic laryngitis?
- History
- Signalment
- PE
- Visualization of lesion
- Characteristic odor
- necropsy
Ddx for necrotic laryngitis
- Pharyngeal trauma, abscess, neoplasia
Necropsy findings of necrotic laryngitis
- Impacts arytenoids
- Vocal processes
- Mucosa
Treatment of necrotic laryngitis***
- Supportive care
- PPG
- Sulfonamides
- NSAIDs
- Tracheostomy
- Surgery
Pathophysiology of necrotic laryngitis
- Upper respiratory tract infection (viral, H. somnus, etc.)
- Reflex coughing leads to edema, mucosal damage, and ulcers
- Invasion/infection by F. necrophorum
Laryngeal papillomatosis - who gets it?
- Primarmily feedlot cattle
Pathophys of laryngeal papillomatosis?
- Papovavirus enters via contact ulcers
Clinical signs of laryngeal papillomatosis
- Stertorous breathing
- Coughing
Diagnosis of laryngeal papillomatosis
- PE, biopsy, necropsy