Brief Answer: Follows. Detailed Answer: Dear Madam, Thank you for posting your query on XXXXXXX Well looking into the query I will like to tell you that Panic attacks are sudden onset periods of intense fear or anxiousness . People will sense a feeling of impending doom or fear that they are having a nervous breakdown . It can continue for few minutes to hours and generally settle by their own . The most common symptoms may include shaking ,trembling , palpitations, chest pain , hot flashes, cold flashes, shortness of breath, excessive sweating, nausea,vomiting , dizziness , light-headedness, hyperventilation, clouding of consciousness Generally patient lands in the ER with all consequent laboratory tests coming normal . Pateint shows a good response to anxiolytics. Take care . Dr. Shruti

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