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114.88.138 .*Feline Hypertrophic cardiomyopathy cat concentric left ventricular hypertrophy refers to ventricular thickening, no significant systemic disease and heart disease.A. Left ventricular wall and ventricular septal thickening (hypertrophy) leads to diastolic dysfunction, due to cardiac hypertrophy leading to myocardial stiffness, chamber smaller.
B. deformation caused mitral valve regurgitation and systolic vibration to the front.
C. Left ventricular stiffness increased blood flow to the left atrium to the ventricular pressure rise, resulting in elevated pulmonary venous pressure, pulmonary edema and left atrial dilatation, and thus can also lead to venous hypertension and right heart hilar expansion.
D. easily in the expansion of the atrium thrombosis, left atrium are at greater risk.
E. Some cats prone to aortic obstruction.A. Cardiovascular System: congestive heart failure (CHF), arrhythmias, aortic thrombosis.
B. Lung: breathing difficulty (if the development of pulmonary edema or pleural effusion).
C. kidney / urinary system: prerenal azotemia (blood perfusion caused less).Burmese cats have a family incidence trend.More common in male cats than female cats.A. sick cats may not have clinical symptoms.C. cough.E. significantly reduced the amount of exercise, forced upon asthma.
F. difficulty moving limbs, hind limb paralysis showed acute distal aortic thrombosis.
G. Some of sudden death may occur.A. systolic heart murmur or gallop.



B. Usually the whole heart can be seen larger and larger bilateral atrium, pleural effusion (rapid shallow breathing.)
C. rare pulmonary venous congestion and patchy pulmonary edema.
D. heart size may also appear normal or enlarged left atrium.
E. Many cats femoral pulse weak.A. hyperthyroidism.C. acromegaly.
D. Non-cardiac cause of pleural effusion (eg, empyema, chylothorax, tumor, diaphragm hernia).Dorsal-ventral position A. X-ray film is often a "love" heart (back photo), because the expansion of bilateral atrial and left ventricular.
B. Pulmonary edema and pleural effusion may also occur in a cat. But rarely ascites.
C. cat for no symptoms, X-ray examination results may be normal. 17:32 Reply
(B) the public network for dogs and cats - Dogs and dog love the people from the Network World this post
Hypertrophic cardiomyopathy cats cats the most common clinical heart disease, usually occurs in male cats, middle-aged to older cats, there may be a good Persian onset. Before the onset of the cat is not suffering may not have any symptoms of heart failure may occur once the disease symptoms, and / or thromboembolism, or sudden death. Visible to the general owner of acute exacerbation of symptoms including difficulty breathing, lethargy, or anorexia, depression, inactivity, and do not want action. Hypertrophic cardiomyopathy may also cause thromboembolism, will lead to sudden paralysis of hind legs and continuously because of the pain and screaming. Hospital admissions for nearly a month and more cases of hypertrophic cardiomyopathy in cats associated with arterial thrombosis, are summarized as follows:(A) clinical data:
Breed: cat Age: 20 Sex: Male Weight: 3.1 kilograms of non-immune castration A cat is suffering from the age of 20-year-old house cat. Found that the patients complained of limb pain, two cats recently, ataxia, in recent days found that the symptoms of severe hind limb paralysis, unable to walk, hindlimb peripheral cold. Do not eat, shortness of breath, wheezing. Spirit of the poor, asthma, shortness of breath, paralysis of hind legs, two white hind foot pad, peripheral low temperature cold. Palpation of the hind limb pain, obviously, can not touch. Auscultation tachycardia. Dehydration, 10%. Capillary filling time is long. Femoral artery is weak, gentle skin is low.(D) laboratory tests:(E) radiographic:Case (b) Breed: stray cats Age: ominous Sex: Male Weight: 3 kg ominous Immunization Suffering from a stray cat to cat, just outside the ominous retrieve all the circumstances, the main complaint retrieve the cat was found, lying in this fixed, not to touch the hind legs, the pain was, scream, do not eat. Other no obvious abnormalities Spirit of the poor, dehydration, limb pain was palpable, screaming, ataxia, lying, dyspnea, auscultation, tachycardia, weak femoral artery, skin temperature is low, hind limb skin temperature cold, white mat.(E) radiographic:Clinical analysis and related information: (see Cat Doctor)
. Hypertrophic cardiomyopathy can be divided into primary (congenital) or secondary hyperthyroidism, systemic hypertension, acromegaly, congenital aortic stenosis.
In the clinical symptoms of heart disease in dogs is most commonly seen coughing, but in addition to heartworm infection in cats outside, rarely heard of heart disease and coughing cat phenomenon, and most three-quarters of cases of canine heart chronic degenerative valvular disease, and most of the cats came from the heart failure patients with hypertrophic cardiomyopathy.Left ventricular wall and ventricular septal thickening (hypertrophy) leads to diastolic dysfunction, due to cardiac hypertrophy leading to myocardial stiffness, chamber smaller.Left ventricular stiffness increased blood flow to the left atrium to the ventricular pressure rise, resulting in elevated pulmonary venous pressure and pulmonary edemaExtended ventricular thickening decreased, limiting ventricular filling, impaired activity of the heart, the coronary vascular remodeling a small reduction of the diameter of myocardial cell necrosis and tissue fibrosis.History: the cat may not be suffering from any symptoms of heart failure symptoms, and / or thromboembolism, or sudden death, acute onset of dyspnea and lethargy, anorexia, depression, inactivity, and do not want action. Thromboembolism may lead to sudden paralysis of hind legs and continuously because of the pain and screaming.
Clinical symptoms: difficulty breathing, mouth breathing, may be cyanosis, moist rales (moist rales), cough, possible gallop-like rhythm of sound, or systolic heart murmur, jugular vein engorgement, and may be seen pulsating, thrombotic embolism limb on the pulse of the foot can not touch and cause cyanosis and feels cold.Comprehensive cardiac imaging increases or bilateral atrial enlargement, pulmonary venous engorgement, pulmonary artery expansion, pulmonary edema, and pleural effusion may occur, but the size of the heart may be normal or show a typical type of love. Cat left heart failure often have lung congestion and interstitial pulmonary edema and pleural effusions.
May show normal or increased extension of the P wave or P wave amplitude, and the second level under the guidance appears to extend the QRS interval, may be arrhythmia, or the occasional left axis.a possible azotemia
b. CK increased, ALT, AST increase may be due to embolism
c. possible disseminated intravascular thrombosis (DIC)
d. Hyperthyroidism is often the underlying cause of
e. possible systemic hypertension, systolic blood pressure higher than 180mmHg
. Vascular embolization and differential diagnosis of spinal cord injury:
5P typical symptoms: pain or Howl (Pain), paresis (Paresis), mucous membranes pale (Pallor), hind limb paralysis without pulse (Pulselessness), body temperature adrift (Poikilothermy).Inform the owner related to the diagnosis, prognosis, and treatment costs
Oxygen, if necessary, to give heat padPulmonary edema with congestive cat should be given diuretics, furosemide 1-3mg/kg IV, a stable condition after the dose reduced to 1-2mg/kg po. Bid-tid
If pulmonary edema, we also consider giving 0.7cm ~ 1.2cm nitroglycerin, coating on the shaving of the chest or abdomen, skin, once every 6 to 8 hours, depending on the situation given
There tachycardia Huanxu be given due consideration -receptor blockers or calcium channel blockers.
A. cat output of the dynamic blood disorders or persistent tachycardia, with a better -receptor blockers such as: Atenolol 6.25-12.5mg/kg PO BID-TID.
B. In some cases with calcium channel blockers such as: land for accounting 1.5-2.4mg/kg po BID-TID
C. heart rate target heart rate is 130 to 150 times / min
Animals with heart failure may be given enalapril 0.25-0.5mg/kg PO BID-QOD
Diltiazem 7.5 ~ 15mg/cat po tid may help reduce myocardial oxygen consumption, lower left chamber end-diastolic pressure of hearts, reduce local ischemia, and reduce blood flow resistance.A. limb to keep feet warm and dry, to avoid immediateButorphanol 0.1 ~ 0.4mg/kg iv, sc, im (not injected into the limb thrombosis)
C. aspirin to prevent thrombosis or dicoumarol available, but even with this drug, sometimes inevitably produce blood clots.Dicoumarol use of this drug requires close observation because of possible bleeding or other complications occur.



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