Feline Top 20 Diseases - Part 4 Flashcards
what is the classic case presentation of a cat with HCM?
often asymptomatic - but, systolic murmur or gallop sound, signs of CHF (tachypnea, open mouth breathing), signs of ATE (cyanotic nail beds, loss of pulses, & paraplegia), & sudden death
what cat breeds have a genetic predisposition to developing HCM?
maine coons & ragdolls - signs can present as early as 4 months
what is seen on thoracic rads of a cat with HCM?
normal or cardiomegaly, dilated left atrium (valentine shape on VD view), pulmonary edema/congestion, & pleural effusion
what is seen on echo of a cat with HCM?
on m mode - atrial dilation, left ventricular thickening that is 6mm or greater, papillary muscle hypertrophy, systolic anterior motion of the mitral valve in obstructive cardiomyopathy
what acute treatment is used for a cat with CHF due to HCM?
supplemental O2, thoracocentesis if needed, furosemide/nitroglycerine, & avoid fluids & beta blockers unless tachyarrhythmia is present
what chronic treatment is used for a cat with HCM?
beta blocker (atenolol) started at a low dose, furosemide, clopidogrel, & potassium supplementation if hypokalemia is present
what are common triggers for CHF in previously compensated cats with HCM?
iv fluids, corticosteroids, or recent anesthesia
what is the classic case presentation of a cat with ear mites?
usually a kitten with head shaking, pruritus, erythematous ears with dark brown debris, papules on rump/tail/neck, & present ear-pedal reflex (scratches with pelvic limb when ear is rubbed)
what is the etiology of ear mites in cats?
otodectes cyanotis
how are ear mites diagnosed in cats?
otoscopy seeing live mites & inflammation & cytology of ear swab in mineral oil
how are ear mites in cats treated?
removing the mites from the ears, miticidal otic drugs, systemic miticidal (selamectin or ivermectin) for ectopic mites, treat all animals in the home, make sure the environment is clean, & separate affected cats from non-affected cats
T/F: cats may become infected with ear mites from infected dogs in the household
TRUE
what cats are commonly affected by ringworm?
juvenile or geriatric cats, persians & himalayans may be at an increased risk
what is the classic case presentation of a cat with ringworm?
generally non-pruritic, scaling, crusting, ulceration, alopecia, localized especially to the head or can be generalized
what are the risk factors for ringworm in cats?
FeLV, malnutrition, stress, immunosuppression, crowding, & poor sanitation
what is the etiology of ringworm in cats?
98% caused by microsporum canis
how is ringworm in cats diagnosed?
DTM best for culture collected with a toothbrush that was rubbed on the lesion, wood’s lamp, & biopsy/histopath if other tests are inconclusive
