This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Medicine
True about thyroid storm -a) Bradycardiab) Hyperthermiac) Hypercalcemiad) Hypotensione) Cardiac arrhythmia 
Select and explain. 
A. ab, B. bc, C. bce, D. ace
C: bce
Answer: C: bce 
Explanation: None