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: Psychiatry
Differential diagnosis of panic disorder -a) Pheochromocytomab) Myocardial infarctionc) Mitral valve prolapsed) Depressione) Carcinoid syndrome 
Select and explain. 
A. bcde, B. abcd, C. acde, D. abce
D: abce
Answer: D: abce 
Explanation: Panic attacks are associated with cardiovascular diseases (MI, Mitral valve prolapse); endocrine disorders (hyperthyroidism, pheochromocytoma, carcinoid syndrome); Neurological diseases (Epilepsy, infection, CVA); Drugs (amphetamine, cocaine, nicotine); and systemic infection.