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
A 30-year-old lady C/O sudden onset of breathlessness, anxiety, palpitation, and feeling of impending doom. Physical examination is normal. Diagnosis is: 
Select and explain. 
A. Panic attack, B. Anxiety disorder, C. Conversion disorder, D. Acute psychosis
A: Panic attack
Answer: A: Panic attack 
Explanation: Ans. A i.e. Panic attack-A panic attack is the abrupt onset of intense fear or discomfo that reaches a peak within minutes.-The symptoms include Palpitation, Sweating, Trembling or shaking, Shoness of breath or smothering sensation, Choking sensation, Chest pain or discomfo Nausea or Abdominal distress, Dizziness, Light-headedness, Chills or heat sensation, Paraesthesia's, Derealisation or depersonalization, Fear of losing control or "going crazy", Fear of death.