"Current thinking is that some patients have inherited a predisposition to develop thyrotoxic periodic paralysis under the right set of circumstances."
"In the current paper, he suggests that the reason thyrotoxic patients frequently develop cardiac arrhythmias may be because they have genetic mutations in ion channels of heart muscle cells that are regulated by thyroid"
"He noted that the amiodarone and dronedarone molecules are structurally similar-though the newer drug lacks the iodine moiety that makes amiodarone thyrotoxic-so potentially they could have similar side effects."