<prompt> A female with symptoms mimicking heart disease with normal ECG X-ray, the diagnosis is -Angina pectorisPanic attackANS instabilityVasovagal attack  <response>: Ans. is b i.e., Panic attack o Panic attack may present like angina MI e.g. palpitation, sweating, dysnea, chest discomfort or pain.Panic disordero Panic disorder is characterized by intermittent sever anxiety Panic unrelated to any particular situation or object. A panic attack has following characteristics:-i Discrete episode of intense fearii Abrupt onset sudden onset.iii Reaches as maximum within few minutes and lasts for some minutes.iv At least four of the following symptoms:-1 Palpitation2 Sweating3 Shortness of breath Breathlessness4 Feeling of choking5 Chest pain or discomfort chest constriction6 Nausea or abdominal distress7 Trembling or shaking8 Dizziness, unsteady, fainting9 Derealization or depersonalization10 Fear of losing control11 Fear of dying impending doom12 Paresthesias13 Chills or hot flushes.v At least one of the attack is followed by 1 month or more of one or more of the following:-a Persistent concern of future attacks.b Worry about the consequences of attacks Heart attack, Strokec Significant change in behavior related to attack. 