Respiratory (Up to Lepto) Flashcards
What is the mode infection of Blastomycosis?
Inhalation of spores from mycelial growth in environ.
What is the most common symptom that is caused by Blasotmycosis?
A dry harsh cough
What are seen in hematology/biochem of a sample of Blastomycosis?
Anemia, leukocytosis with L shift, HYPERglobulinemia, HYPERcalcemia
What are two serology tests used for Blastomycosis? Where are the samples taken from?
AGID test (Agar Gel Immunodiffiusion): serum/urine. ELISA: Urine (cross reacts with histoplasmosis)
What is the tx for Blastomycosis?
Amphotericin B and Itraconazole (oral)
Where is histoplasma capsulatum found?
Soil that is high in bird or bat feces
T/F. Histoplasmosis is the most common systemic fungal disease in cats.
False. second(?)
T/F. Cats that are infected with histoplasma need to be on cough suppressants.
False. COUGHING IN UNCOMMON in histoplasmosis.
Histoplasmosis. What is seen in hematology/biochem? cytology?
Hematology/biochem: Anemia, thrombocytopenia, HYPOalbuminemia.
Cytology: organism in mononuclear-phagocyte system
What are the txs for Histoplasmosis?
Itraconazole (DOC), Fluconazole, Voriconzole, Posaconazole. Amphotericin B.
What is the prognosis for Blastomycosis? Histoplasmosis? Cryptococcosis? Coccidiomycosis?
Blastomycosis: Good
Histoplasmosis: disseminated has a guarded prognosis.
Crytococcosis: Good
Coccidiomycosis: Good for resp. disease; poor for disseminated dz.
Where is Cryptococcus neoformans found? Where is Cryptococcus gattii found?
Neoformans: bird droppigns
Gattii: Eucalyptus trees
What is the distinct sign that is found with Cryptococcosis that is not found with other mycotic pneumonia?
Neurological signs in both dogs and cats
Serology samples for Crypto? Serology samples for Blasto and Histo?
Crypto: Serum/CSF/blood
Blasto and Histo: Urine
T/F. Cryptococcosis shows non-specific signs in hematology/biochem. Cryptococcus organisms have thick capsules.
True
What are txs for Cryptococcosis?
- Surgery.
2. Therapy for antifungal drugs.
How do you monitor Crytopcoccosis?
LAT (Latex Agglutination Test): want a drop in antigen titer.
Where are Coccidia found?
Dry environment, Southwestern US.
What is the other name for Coccidiomycosis?
VALLEY FEVER
What is the most common sign in cats that have Coccidiomycosis?
Cutaneous lesions
T/F. Crypto and Blasto form pyogranulomatous lesions.
False. Coccidiomycosis and Blastomycosis
What are serology tests for Coccidiomyocosis?
Tube precipitin antigens (IgM)
Complement fixation antigens (IgG)
LAT, AGID or ELISA for IgM/IgG
What is the tx for Coccidiomyocosis?
Azoles; Ketoconazole, itraconazole, fluconazole
HALLMARK sign of Idiopathic Pulmonary Fibrosis
Inspiratory Crackles
What is the def. dx for Idiopathic Pulmonary Fibrosis?
Lung biopsies
How do you treat idiopathic Pulmonary Fibrosis?
Lack of tx.
Corticosteroids + bronchodilators; Cyclophosphamide/azathioprine (autoimmune), Colchicine (anti-inflammatory)
T/F. CS of pulmonary neoplasia have a narrow spectrum
False. Wide spectrum (both respiratory and non-respiratory signs)
T/F. Two views of x-rays are enough for pulmonary neoplasia.
False. 3 views.
What are the tx for pulmonary neoplasia?
Primary: surigcal removal (lung lobectomy).
Secondary/multicentric: treat primary; chemotherapy (lymphoma)
Which are primary neoplasms? Which are secondary neoplasms? Which are multicentric neoplasms?
Primary: Adenocarcinoma, SCC.
Secondary: Adenocarcinoma, Osteosarcoma/chondrosarcoma, HAS, oral melanoma.
Multicentric: lymphoma, histiocytosis, mastocytoma.
What does non-cardiogenic pulmonary edema progress to?
ALI and ARDS; respiratory failure
What are txs for non-cardiogenic pulmonary edema?
Control of primary disease.
Cage rest and O2.
Supportive therapy: IV fluids (careul), pressure ventilation.
What is the prognosis for non-cardiogenic pulmonary edema?
Better with no fluid and renal function intact.
Shock and seizures can be treated; vasculitis cannot be treated.
What is the difference between ALI and ARDS?
ALI (Acute Lung Injury): pulmonary inflammation and edema.
ARDS (Acute respiratory distress syndrome): severe ALI.
HYPOXEMIA IS WORSE FOR ARDS.
Cyanosis may be present.
T/F. ALI and ARDS are primary diseases that cause secondary bacterial infection.
False. Secondary to underlying cause (sepsis, systemic inflammatory distress syndrome, shock, bacterial pneumonia).
What is the tx for respiratory distress (ALI and ARDS)?
Aggressive supportive + P ventilation
T/F. Morbidity rate is 100% in respiratory distressed animals.
False. MORTALITY IS 100%!
What is pulmonary contusions? What is this commonly caused by? What are dx? tx?
Various degrees of respiratory distress.
Commonly caused by trauma.
Dx: auscultation and radiographs.
Tx: monitor for 1-2 days, O2, fluids, pain meds.
What is Eosinophilic Bronchopenumopathy? What breed is it commonly seen in?
Pulmonary infiltrates with eosinophils (hypersensitivity to unknown antigens). Siberian huskies (young/middle aged).
T/F. Eosinophilic bronchopneumopathy lacks response to antibiotics.
True
T/F. Ensure fecal and HW are negative in Eosinophilic Bronchopneumopathy.
True.
What are txs for Eosinophilic Bronchopneumopathy?
Treat underlying disease.
Fenbendazole, Pred, cyclosporine, azathiprine.
What is pulmonary thromboembolism associated with?
HW, IMHA, nephrotic syndrome, hyperadrenocorticism (hypercoagulability), pancreatitis, DIC, endocarditis.
What is the tx for pulmonary thromboembolism?
O2, no stress, tx underlying disease.
Pred for IMHA and HW.
Low dose heparin for DIC or hyperadrenocorticism.
What is the prominent respiratory signs in pleural space disorders?
Restrictive pattern (rapid shallow breathing); cyanosis.
What is pleural effusion? Is this usually primary or secondary?
Accumulation of excessive amount of fluid within the pleural space.
Usually secondary to FB, penetrating injury, pneumonia.
What is seen in cytology for pleural effusion? culture?
Cytology: degenerative neutrophils/bacteria.
Culture: anaerobes/aerobes.
What is the general tx for pleural effusion? What is the best tx for dogs? cats?
Thoracocentesis to stabilize the patient (7-8th ICS; enter caudal to cost-chondral junction).
Chest drain.
Lavage: saline into chest > aspirate out.
Dogs: flush out fluids > doesn’t respond > sx.
Cats: chest drain; often need sx.
What are the mechanisms of pleural effusion?
Decreased oncotic pressure, increased hydrostatic pressure, increased capillary permeability, lymphatic malformation.
What the ABX used for pleural effusion for Dogs? Cats?
Dogs: Amoxyclav and metronidazole.
Cats: Amoxyclav, Metronidazole, enro.
What is chylothorax?
Any disease that increases systemic venous pressure (accumulation of chyle in pleural space).
T/F. The most common cause of chylothorax is trauma.
False. IDIOPATHIC.
What is both diagnostic and therapeutic in pleural space disorders?
Thoracocentesis
What is the tx for Idiopathic chylothorax?
Thoracic drainage, low fat diet, rutin, ligation of thoracic duct.
What is the most common cause of pneumothorax?
Trauma (open, close,d, tension)
What is the tx for pneumothorax?
Thoracocentesis: 9-10th ICS, above costal chondral junction; analgesia and O2.
Surgery: large lacerations and if cannot stabilize with thoracostomy tube.
What are bacterial diseases that are infectious to dogs?
Salmonella, Campylobacter, Helicobacter, Brucella, Actinomyces/Nocardia, Lyme, Lepto.
What are gram positive bacteria that affect dogs?
Actinomyces/Nocardia.
How is Salmonellosis transmitted?
Raw chicken fed to animals (most comon).
What are tx for salmonellosis?
If no signs - no tx.
Severe: Chloramphenicol, T/S, amoxi, ampicillin.
What are characteristics of Campylobacter species? Where are they found?
GULL-WING SHAPED.
Slender, motile.
Found in GI of healthy animals.
T/F. Campyolobacter infections are excerbated by stress.
True.
What are txs for Campylobacter infections?
Erythromycin, Chloramphenicol, Cephalosporins, Enro.
Where is Helicobacter usually found? How does it survive in that environment? What is the pathogenesis?
Stomach by producing urease.
Bacteria infiltration crypts of stomach.
How do you dx Helicobacter infections?
Gastric biopsies (Endoscopy); PCR on gastric samples.
What is the tx for Helicobacter infections?
TRIPLE THERAPY: Amoxi, metro + omeprazole or Amoxi, metro + famotidine.
T/F. Dogs are most susceptible to brucellosis.
False. HORSES ARE! (Cats are the most resistant and dogs are quite resistant).
How is Brucelllosis transmitted?
Aborted fetal material, semen, urine, milk; oral and conjuctiva.
T/F. Brucellosis is easily eradicable
False. Difficult to eradicate!
What is seen in hematology/biochem with brucellosis? CSF tap?
Hematology/biochem: Leukocytosis, HYPERglobuinemia with HYPOalbuminemia.
CSF: neutrophilic pleocytosis with increased protein levels.
What is the specific serology test for brucellosis?
Rapid slide agglutination test (RSAT): not specific (cross reacts with other bacteria).
Tube agglutination test (TAT).
Confirm with AGID, ELISA or PCR, culture.