Atrial thrombosis and congestive heart failure are associated with older female hamsters and occur frequently. Atrial thrombosis is also associated with amyloidosis (see above). Clinical symptoms include dyspnea, tachycardia and cyanosis. | Atrial thrombosis and congestive heart failure are associated with older female hamsters and occur frequently. Atrial thrombosis is also associated with amyloidosis (see above). Clinical symptoms include dyspnea, tachycardia and cyanosis. |