Table 1.

The tendency of changes in the electrocardiographic signs of aortic stenosis after surgery in asymptomatic and symptomatic patients

Aortic stenosis	Inverted T wave	Left‐axis deviation	ST horizontal depression	Left branch hemiblock	Arrhythmia
PREOP asymptomatic	5% (N = 8)	3% (N = 5)	2% (N = 3)	3% (N = 5)	1% (N = 2)
PREOP symptomatic	63% (N = 644)	33% (N = 337)	25% (N = 255)	43% (N = 439)	30% (N = 307)
POSTOP asymptomatic	0% (N = 0)	0% (N = 0)	0% (N = 0)	1% (N = 2)	0.7% (N = 1)
POSTOP symptomatic	12% (N = 122)	15% (N = 153)	7% (N = 72)	22% (N = 225)	3% (N = 31)