Atrial Fibrillation Overview. Atrial fibrillation is an irregular heartbeat that increases the risk of stroke and heart disease. Signs include dizziness, weakness, and fatigue. Treatment involves medication and lifestyle changes, and sometimes procedures such as cardioversion, ablation, pacemakers, or surgery.
Amy Shark. Amy Shark is a singer-songwriter and producer reigning from the Gold Coast of Queensland, Australia. She crafts enveloping, emotional and deeply relatable indie pop that first garnered attention after her pop award recognition in the Queensland Mic Awards.
For the arena in San Jose, California, see SAP Center at San Jose. Shark Tank is an American reality television series that premiered on August 9, 2009, on ABC. The show is a franchise of the international format Dragons' Den, which originated in Japan in 2001. Shark Tank shows aspiring entrepreneur-contestants as they make business presentations to a panel of shark investors, who then choose whether or not to invest.