Category — cat health vomiting

Myocardial Infarction in Cats

Much like in humans, a blockage of blood flow to the myocardium (the heart’s muscular wall), is medically referred to as a heart attack, or myocardial infarction. This is generally due to the formation of a blood clot (or thrombus) within the blood vessels or heart, causing the premature death of a portion of the myocardium.

Heart attacks are rare in both cats and dogs.

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Entropion

Entropion is a genetic condition in which a portion of the eyelid is inverted or folded inward against the eyeball. This results in irritation and scratches to the cornea — the front surface of the eye — leading to corneal ulceration, or corneal perforation. It can also leave dark-colored scar tissue to build up over the wound (pigmentary keratitis). These factors may cause a loss or decrease in vision.

Generally, only brachycephalic breeds of cats, such as Persians, are at risk. Entropion is almost always diagnosed around the time a cat reaches its second year of age.

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Paraproteinemia in Cats

Gamma globulins, or immunoglobulins, are part of the body’s antibody response to fighting infections. They are a class of blood protein produced by a plasma cell - a type of white blood cell (WBC); their purpose is to identify and neutralize invading bacteria and viruses. Their production is a continual process, much like the rest of the blood cells.

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Renomegaly in Cats

Renomegaly is a condition in which one or both kidneys are abnormally large, confirmed by abdominal palpation, ultrasounds, or X-rays. The cat’s respiratory, nervous, hormonal, urinary and digestive systems are all affected by this condition.

In addition, renomegaly is not exclusive to cats, dogs can suffer from it, too. If you would like to learn more about how this condition affects dogs, please visit this page in the PetMD health library.

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Carbon Monoxide Poisoning in Cats

Carbon monoxide is a colorless, odorless, nonirritating gas produced by the inefficient combustion of carbon fuels. It is potentially toxic for cats as well as humans. Unventilated kerosene or propane heaters, gasoline engines, automobile exhaust, or fumes from carbon-based fuel heating systems are all potential sources for carbon monoxide toxicity.

When inhaled, this gas is readily absorbed into the blood, combining with hemoglobin to form carboxyhemoglobin, reducing oxygen delivery to the body, and thereby leading to decreased utilization of oxygen in the brain and heart. Most cases of carbon monoxide toxicity in pets occur as a result of human error, such as when a cat has been left in an enclosed area where carbon monoxide is being released. For example, a cat left in an enclosed garage with a running automobile can be exposed to toxic levels of carbon monoxide in about ten minutes. Cats are also exposed to toxic levels of carbon monoxide when they are trapped in a building that is on fire. Prolonged exposure to carbon monoxide will lead to hypoxemia and eventually death.

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Gastroesophageal Reflux

Gastroesophageal reflux is a condition characterized by the uncontrollable reverse flow of gastric or intestinal fluids into the tube connecting the throat and the stomach (esophagus). This may be due to a brief relaxation of the muscular opening at the base of the esophagus (referred to as the sphincter), as well as chronic vomiting. Gastroesophageal reflux is fairly common in cats, and may occur at any age, although younger cats are at greater risk.

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Sudden Onset of Vomiting in Cats

Cats will commonly vomit from time to time, often because they might have eaten something that upset their stomachs, or simply because they have sensitive digestive systems. However, the condition becomes acute when the vomiting does not stop and when there is nothing left in the cat’s stomach to throw up except bile. It is important you take your pet to a veterinarian in these cases.

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Pheochromocytoma

The adrenal gland is an endocrine gland in the belly that sits atop the kidney and several large blood vessels (aorta and vena cava). The adrenal gland is responsible for the regulation and distribution of several hormones, chief amongst them, cortisol and adrenaline, hormones that control the stress response and activate the fight or flight response when an animal is in danger. These hormones in turn help to control the heart rate, blood pressure, and breathing rate. Other hormones produced in the adrenal glands include testosterone, and aldosterone, a steroid hormone that regulates electrolyte concentrations.

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Cats are small, and often become the target of other animals, making them vulnerable to all kinds of dangers. Anyone who owns a cat understands that it needs protection, especially from dangers that can be encountered outside of the house. This vulnerability accounts for the built-in aggression response cats have when they perceive a threat. Aggression can also come from fear, a health condition, genetic predisposition, an environmental change, or to protect its territory. However, overaggressive behavior can make a cat difficult to live with.

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Hepatic Amyloidosis in Cats

Amyloidosis refers to a group of disorders, all sharing a common feature: the pathologic and abnormal deposition of the fibrous protein amyloid into various tissues of the body, disrupting normal functioning of these areas.

Amyloid is a hard, waxy, substance that is the result of tissue degeneration. In this case, amyloid accumulates in the liver and occurs secondary to inflammatory or lymphoproliferative disorders (where lymphocytes, a type of white blood cell, are produced in excessive quantities), or as a genetically acquired familial disorder.

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