Feline Blood Pressure

Monitoring your cat's blood pressure can reveal underlying diseases.

Posted: Wed Dec 18 00:00:00 PST 2002

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Measuring feline blood pressure is becoming routine. The highest pressure, called systole, occurs when the heart contracts. The lowest pressure, called diastole, occurs when the heart relaxes. Hypertension (high blood pressure) can affect older cats with kidney disease or hyperthyroidism (an overactive thyroid gland). If the heart sustains long periods of high pressure, it can weaken. Hyperthyroidism can lead to overstimulation of the heart muscle, which might wear out prematurely and eventually fail to control blood pressure in cats. The underlying disease must first be controlled. If no underlying disease is found, drugs may be used.
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Anita    Naperville, IL

1/23/2011 8:05:38 AM

My 11 year old cat was just diagnosed with high blood pressure. It was discovered because the vet heard a cat murmur. I took her for a cardiac ultrasound which found she has mitral valve prolapse from thickening of the artery. This thickening causes the high BP. She is now on 1/2 of a 30 mg generic Norvasc each day. She occasionally would make moaning sounds during the night. The vet said cats can get headaches from BP as humans do. I immediately put her on the meds; don't want her to be in pain or to go blind.

Janet    Bethlehem, PA

10/11/2010 6:07:04 AM

important information, thanks

janet    bethlehem, PA

6/2/2010 4:12:23 AM

good article thanks

Ruby    Clemmons, NC

10/13/2009 6:23:36 PM

My cat's blood pressure was checked-at a clinic while being held all day for tests; it was recorded to be 180, supposedly high and sent home with two bp medications. What is the normal blood pressure for a cat? I can't seem to find this information.

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