Which of the following is not the main clinical manifestation of aortic stenosis ?()
A. angina pectoris
B. syncope
C. dyspnea
D. left cardiac dysfunction
E. embolism
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Which is not true about Atrial Fibrillation ?()
A. The atrial rate is 400-600 beats/min, but most impulses are blocked at the atrioventricular node
B. ventricular rhythm is very irregular
C. The atrial rate is 80-180 beats/min
D. The ventricular response is completely irregular, ranging from 80-180 beats/min in the untreated state
E. Pulse rates less than heart rates
The threshold for angina is usually :()
A. excitement
B. cold
C. after lots of food
D. activity
E. above of all
Which is the most convinent examination for determining the UA?()
A. ECG
B. Angiography
C. UCG
D. Chest X-ray
Exercise test
Which of the following is the most important laboratory test for the diagnosis of Infective endocarditis ? ()
A. ECG
B. cardiac catheterization
C. echocardiogram
D. coronary angiography
E. chest radiography
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