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Puppies and adult dogs diagnosed with subaortic stenosis can suffer from a range of clinical signs such as fainting, breathing difficulty in the moderate cases or heart failure and sudden death in severe cases. [2] Symptoms also include sudden/strong lethargicism, continuous heavy panting, and a rise in temperature.
Complications can include heart failure, heart valve disease, or an irregular heartbeat. [3] [4] Causes include genetics, alcohol, cocaine, certain toxins, complications of pregnancy, and certain infections. [8] [9] Coronary artery disease and high blood pressure may play a role, but are not the primary cause.
Coronary artery disease (CAD), also called coronary heart disease (CHD), or ischemic heart disease (IHD), [13] is a type of heart disease involving the reduction of blood flow to the cardiac muscle due to a build-up of atheromatous plaque in the arteries of the heart. [5] [6] [14] It is the most common of the cardiovascular diseases. [15]
AFib, the most common heart rhythm disorder, is linked to a 39% increased risk of cognitive impairment, while coronary heart disease increases the risk of dementia by 27%, with up to 50% of heart ...
Boxer cardiomyopathy (also known as "Boxer arrhythmogenic right ventricular cardiomyopathy") is a disease of the myocardium primarily affecting Boxer dogs.It is characterized by the development of ventricular tachyarrhythmias, resulting in syncope and sudden cardiac death.
In domestic dogs, arterial thromboembolism occurs much less frequently than in cats; common underlying diseases in dogs are protein-losing nephropathy, diseases of the immune system, tumors, sepsis, heart disease, protein-losing enteropathy, and hypertension.
Ischemic cardiomyopathy is a type of cardiomyopathy caused by a narrowing of the coronary arteries which supply blood to the heart. [4] Typically, patients with ischemic cardiomyopathy have a history of acute myocardial infarction, [5] however, it may occur in patients with coronary artery disease, but without a past history of acute myocardial infarction.
Degenerative valve disease is the most common form of heart disease in dogs. [25] Mitral regurgitation leads to turbulent blood flow and increased pressure in the left atrium . This causes increased pressure in the pulmonary blood vessels and pulmonary edema (a build-up of fluid in the lungs).