tachycardia - [37] Biemond syndrome type 1 [38] Biemond syndrome type 2 [39] Biermer disease -[40] (Not sure if it incorrectly refers to biermer/addison's anemia).
[en.wikipedia.org]
[…] syndrome Berry aneurysm, cirrhosis, pulmonary emphysema, and cerebral calcification - [32], [33] Beta-galactosidase-1 deficiency - [34], Beta-sarcoglycanopathy - [35], [36] Bidirectional
[en.wikipedia.org]