Pneumonia is an infectious/inflammatory disorder of the lung parenchyma. Tiny bronchi fill the lungs; each one ends in smaller sacs known as alveoli which contain tiny blood vessels. Oxygen is added to the blood and carbon dioxide removed via the alveoli. Pneumonia causes these alveoli to fill with pus and fluids which affect the lung’s ability to exchange gases. There are several causes including infection (viral, fungal, bacterial, parasitic), aspiration of gastric contents or medications.
Smooth, medium wedge, neither long and tapering nor short and massive. Muzzle is blunt, and part of the total wedge, without exaggerated pinch or whisker break. Top of skull long and flat in profile, gently descending to slightly above the eyes, and continuing at a slight downward angle in a straight line to the tip of the nose. Medium in length. Length of top-head should be greater than length of nose. The face is broad across the eyes due to wide eyeset and thick fur. Muzzle smooth, flowing wedge without prominent whisker pads or whisker pinches. Neck long and slender, but appearing short due to thick fur and high placement of shoulder blades.
Although the official, permissible outcrosses for the Chausie breed are the Abyssinian and the domestic shorthair (no recognizable breed), in practice any kind of purely domestic outcross can be used. TICA rules only dictate that cats must be a certain number of generations removed from the jungle cat ancestors and have three generations of registered Chausie ancestors to be eligible for competition at shows.[1] Consequently, a variety of breeds, albeit usually lively outgoing breeds (see below), were used to develop the Chausie breed and continue to be used occasionally as outcrosses. This has given the breed a diverse and healthy genetic foundation.
This semi-long-haired feline is native to Norway, according to the Cat Fancier’s Association, and everything it does, it does when it’s good and ready.  (You got that?) They’re described as sensitive, social and friendly but on their own terms. Despite their outdoorsy name, they’re quite happy inside but do require a scratching post and cat tree — preferably with an outdoor view — to keep them stimulated.
Long term prognosis for recovery of your cat will vary from cause to cause. Infections and pneumonia are serious illnesses that need a high degree of specialized veterinary care. In all cases, your cat’s chances for a full recovery will increase if immediate veterinarian care is sought as soon as initial symptoms are detected. Additionally, given the seriousness of lung and breathing issues, you should follow up after symptoms in your cat have resolved in order to prevent potential recurrence.
Without examining Tilly I cannot say for certain whether I would recommend euthanasia or not; but if she is struggling to breathe, seems in pain and your Veterinarian hasn’t recommended any surgical options (due to age or location of tumour) then you may want to think about euthanasia. It is a very difficult decision to make, but you need to look at Tilly’s quality of life and what the future holds for her. Regards Dr Callum Turner DVM
There are many possible causes for rapid breathing in cats which may include allergies or irritation; however it may also be due to more serious conditions including infections, heart failure, anaemia among other causes. Without examining Lexa I cannot say what the specific cause is, you should visit your Veterinarian if Lexa’s resting respiratory rate is above 40 breaths per minute to determine the cause and treat accordingly. Regards Dr Callum Turner DVM

My fiance said the he saw her eat this afternoon, so that is a relief. Her gums are pink (that's one of the first things I looked at on her and I should've told you that...but... this is my BABY CAT and she has me a little panicked!.. not like dealing with humans on the ambulance... she's innocent!) I do have access to oxygen... so we can make her an oxygen tent if it's necessary. Right now, she is getting up every couple of minutes and repositioning or pacing.. her respiration rate is around 50 right now... her belly almost looks like it's spasming and her heart rate is running between 80 and 90 everytime we take it... which is low... what do you suggest??????