A case of cardiac amyloidosis presenting with symptoms of exertional syncope.
A 54-year-old man presented with symptoms of exertional syncope. Cardiac amyloidosis was diagnosed by endomyocardial biopsy. Exercise tolerance test revealed a failure of increased heart rate followed by sinus arrest, associated with syncope. Autopsy revealed amyloid deposits in the sinoatrial node.
Fujii
B
B
Cardiovascular Center, Saiseikai Shimonoseki General Hospital, Yamaguchi, Japan.
Matsuda
Y
Y
Ohno
H
H
Hamada
Y
Y
Takashiba
K
K
Ebihara
H
H
Hyakuna
E
E
Tani
S
S
D000686:Amyloidosis / Q000175:diagnosis*; D009202:Cardiomyopathies / Q000175:diagnosis*; D004562:Electrocardiography; D006339:Heart Rate; D006801:Humans; D008297:Male; D008875:Middle Aged; D005082:Physical Exertion; D013575:Syncope / Q000175:diagnosis*