[Unstable branch blocks].
D000293:Adolescent; D000368:Aged; D002037:Bundle-Branch Block; D002648:Child; D003327:Coronary Disease / Q000150:complications*; D004562:Electrocardiography; D005260:Female; D006330:Heart Defects, Congenital / Q000150:complications*; D006801:Humans; D008297:Male; D008875:Middle Aged
I blocchi di branca instabili.