Fainting in Cats
Syncope in Cats
Syncope is a medical condition that is basically characterized as a temporary loss of consciousness and spontaneous recovery. This is the clinical term for what is otherwise often described as fainting.
The most common cause of syncope is a temporary interruption in the brain blood supply, which causes impairment in oxygen and nutrient delivery to brain. Another important cause of syncope in cats is heart disease leading to interruption in the blood supply to the brain. Syncope is more likely to be seen in older cats.
Situational syncope may be associated with:
Although syncope often only causes temporary loss of consciousness, diagnosing the underlying cause is important for the affected patient, since the underlying condition may be of a chronic and progressive nature, or may even be life-threatening.
Your veterinarian will take your cat's health history and will carry out a detailed physical examination. Routine laboratory tests include complete blood count, biochemistry profile, and urinalysis.
The results of these tests are often within normal ranges, but if hypoglycemia is the cause of syncope, the biochemistry profile will indicate lower than normal levels of glucose in the blood. In these patients, insulin concentration is also measured. Further testing may be required in patients with low sodium or potassium levels in blood. As heart disease remains one of the important causes of syncope, an electrocardiogram (ECG) and echocardiography will be conducted to determine whether there is an underlying heart disease.
Your veterinarian will also ask you to calculate the heart rate during syncopic episodes at home. Your veterinarian may recommend 24-hour ECG monitoring if your cat has been determined to have an underlying heart problems. A computed tomography (CT) scan of the head, and an analysis of cerebrospinal fluid (the fluid that bathes the brain and spinal cord) will be conducted if brain disease is suspected.
Anything that produces an action or reaction
Fainting; the respiratory and circulatory systems are suspended for a time
An in-depth examination of the properties of urine; used to determine the presence or absence of illness
The prediction of a disease’s outcome in advance
A hormone created by the pancreas that helps to regulate the flow of glucose
A record of the activity of the myocardium
Low amounts of glucose in the blood
A procedure that is used to evaluate the health and structures of the heart
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