Panic attacks typically include some of these signs or symptoms:

Recurrent attacks of severe anxiety , not influenced by any particular condition .
Sudden onset of palpitations , chest pain , choking sensation , dizziness . Patient sometimes feels that he may die . Sometimes these types of problems can occur in a specific situation such as in a bus or in a crowd . This type of condition is called Panic attack . Person having a panic attack mostly suffers from a persistent fear of another panic attack .
When several panic attacks occur for about one month it is called Panic Disorder .
This type of condition is very common . Neuropsychiatrist can treat this problem successfully . After proper treatment patient becomes well and asymptomatic.