Together with your mentor, a famous cardiologist, you examined a patient and found that he has arrhythmic heart beats, which are caused by early depolarization. The ion channel genes have been cloned, and your mentor has an NIH RO1 grant to study them.
A.) Based on the information given in the figure, please make a hypothesis for the disease.
B.) Please design molecular and electrophysiological experiments to test your hypothesis.