Merck Manual

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A thrombus (blood clot) can form as a complication of heart disease in cats. After dislodging from the heart, it can block blood flow in important arteries.
A thrombus (blood clot) may form when the blood flow of an artery or vein is restricted.
A thrombus (blood clot) can form as a complication of heart disease in cats. After dislodging from the heart, it can block blood flow in important arteries.