Dog/Cat Flashcards
Cat presents with head tilt, circling, horizontal nystagmus- what should you do first
Otic exam- vestibular dz can be peripheral or central
Besides an otic exam, what is another quick diagnostic that should be performed on a vestibular-presenting patient
Blood pressure- vascular accident important to r/o
What is the risk increase of delayed spay
8% greater risk after one heat, 26% greater risk after 2, no decrease in risk if spayed after 3rd
What feline URT pathogen causes oral ulcers
Calicivirus
Herpes virus in cats causes
ocular and dendritic ulcers
Name 4 guidelines for when to treat VPCs
HR >180, >20 seconds run, pulse deficits, clinically affected
What class of drug is mexilitine
oral class I anti-arrhythmic
What pre-med causes marked splenic dilation with blood and a corresponding decrease in hematocrit concentration
Acepromazine- splenomegaly and decreased Hgb concentration
The most commonly reported organisms recovered in animals with endocarditis include :
Staphylococcus aureus, Streptococcus sp., Corynebacterium sp., Pseudomonas aeruginosa, Erysipelothrix, E. coli, and Bartonella sp.
Describe boxer cardiomyopathy
electrical disease causing frequent VPCs to occur. Dilation of the heart may occur in 10-15% of cases. The best way to diagnose Boxer cardiomyopathy is with a 24 hour cardiac Holter monitor.
Why are cats particularly sensitive to acetaminophen
Decreased glucuronyl transferase activity which conjugates acetaminophen to glucuronic acid for excretion
Warfarin tx goal
1.5-2x normal PT
Name a tumor which is often testosterone-dependent
Perianal adenoma
Doxy in young- SE
Delayed bone growth, teeth discoloration
Major SE cyclophosphamide, cause of it, prevention
Sterile hemorrhagic cystitis from breakdown product acrolein, keep hydrated, freq urination (think bladder is round- cyclo)
Doxorubicin major SE
Cardiotoxicity
L-asparginase major SE
Anaphylaxis
Major SE carboplatin
nephrotoxicity
Major SE vinctistine
Ileus
Normal water intake
10-60mL/kg/d
Cushings avg water intake
80-100 mL/kg/d
Chemo drug causes cardiotoxicity
Doxo
Chemo drug causes anaphylaxis
L-spar
Chemo drug causes sterile hemorrhagic cystitis
cyclophosphamide
Chemo drug causes ileus
Vincristine (think- vincrisTINE intesTINE)
Chemo drug causes nephrotoxicity
Carboplatin
Ketoconazole SE
HEpatotoxic- elev liver enz, p450 inhibitor, adrenal insufficiency (remeber: tx for cushings), anoerxia (esp cats)
Which mites cause pustules
ONLY demodex
Effects of phenothiazines
Sedation, hypotension, decreased hematocrit d/t splenic sequestration, decreased myocardial sensitivity to catecholamine induced arrhythmias
Most common ear pathogen and the three next most frequent
Staph. pseudintermedius; often: pseudomonas, e.coli, proteus
Drug of choice- myasthenia gravis
Pyridostigmine (Ach inhibitor- anticholinesterase); can also use corticosteroids to reduce immune attack on Ach receptors
What direction do GDVs rotate
Counter clockwise when looking at patient from cr-cau
Four components of nephrotic syndrome
proteinuria, hypoproteinemia, hypercholesterolemia, ascites/edema
Why is hypercoaguability seen in PLNs
loss of antithrombin III
Name drugs causing KCS
Sulfas, atropine (chronic), etodolac
Human rabies exposure vax protocol
Human IG injection then 4 RV vax
What is pannus
Chronic superficial keratitis, GSDs with UV light exposure altering corneal proteins leading to corneal melanosis
Result of tx with too much allopurinol, explain physiology
Xanthine stones- this Rx treats urates in dalmatians by inhibiting xanthine oxidase which makes xanthine metabolites, stops purine metab preventing high uric acid production, but if too high xanthine accumulates
Pradofloxacin contraindications, SE
Dogs! Causes bone marrow suppresison
What kind of drug is PPA, actions
weak alpha agonist; increased urethral sphincter tone
What breed is predisposed to Canine familial dermatomyositis
Collies and shelties
Name an adrenergic vasoconstrictor
Epinephrine, phenylephrine
Function of isoproterenol
Vasodilation
Vasopressin- type of drug, effect
non-adrenergic (V-1 receptor) vasoconstrictor
What nerve is responsible for lacrimation
CN 7 (Facial)
Most common skin tumor in the dog
Sebaceous gland tumor- (seb hyperplasia, esp epithelioma, seb adenoma, seb adeno carc)- wart/cauliflower appearance, limb/trunk/eyelids, <1cm, cocker, beagle, poodle, mini schnauz
What agent is most common bacterial cause of pyoderma
Staph pseudintermedius
Sex predilection for agasaca and addisons
Female
Three common organisms in kennel cough
Bordetella, mycoplasma, influenza
Max safe K supplementation rate dog
0.5 mEq/kg/hr (higher = fatal arrhythmia)
What part of the bone is most common in OSA
Metaphysis- most metabolically active
Spherules on cytology pathognomonic for
Coccidiomycosis
Any pre healthy dog with acute dyspnea and unremarkable rads should have what as a ddx
PTE (split second heart sound from pulmonary hypertension)
What org is best seen on dark field microscopy and why
Lepto- poorly staining gram neg
Ddx lytic/proliferative lesions that cross joint
Fungal/bacterial osteomyelitis, neo (synovial cell sarc crosses joint)
Positive pinnal pedal reflex indicates what
Sarcoptic mange (70%, but can be positive in any pruritis)
Tx lead poisoning
Ca-EDTA (chalates lead), can also use succimer or d-penicillamine
Most common usage for D-penicillamine, others
Copper toxicity; lead, copper, iron, mercury
Tx acetaminophen toxicity
n-acetylcysteine
What drug should be used when Sx requires no respiratory motion
Neuromuscular blocking agents- succinylcholine (depolarizing), pancuronium, d-tubocuraine, atracurium (all non-depolarizing)
What parasite causes hydatid cyst disease in humans which can be fatal; tx
Echinococcus granulosus- hydatid tapeworm (non pathogenic in dogs); tx: praziquantel
Chemo tx for cutaneous MCT
vinblastine, lomustine alternating; tyrosine kinase inhibitors (palladia/toceranib)
Effect of diltiazem
slows HR via inhibition of CA influx into myocardial cells- Ca Channel blocker
CS of Familial Shar Pei Fever (FSF)
high fever, tarsal swelling; predispose to amyloidosis leading to proteinuria
What kind of arrhythmia can lead to a-fib
Supraventricular tachycardia
What adverse reaction are Dobermans predisposed to when using trimethoprim-sulfa?
Hypersensitivity reaction- III- arthritis, nephritis, uveitis
What severe side effect is seen with cats and diazepam
Fulminant hepatic necrosis
What test has the highest negative predictive value for FIP (best at ruling it out)
Rivalta’s test- >90% (
In a feline subtotal colectomy- what vessel limits the amount of colon you can remove
Ileocolic a.
Tx feline polycystic kidneys; name breed
Fluids, low protein diet, gastric protectants; Persians, himalayan, British shorthair
What type of diet should be fed to panceratitis cats
Normal- no low fat needed
Ab tap findings- cat with FIP
yellow, high protein (close to serum) and moderate cell counts