With respect, I disagree with some of what Saniterra posted:
" The flip side of the coin is the "fight". This is essentially a rage of a magnitude that most people never experience in a lifetime of getting angry and those who have experienced rage of this order usually experience it only once or twice in a lifetime. For a person with this version of the anxiety disorder, such rage is experienced much more often - as often as weekly. These people are capable of as much destruction of physical objects, including other people, as any adrenalized individual."

Individuals with Panic Disorder (Panic attacks) are less, not more, likely to act out in violent ways. Those who do get violent probably have Intermittent Explosive Disorder(IED) or some other cause of the violent behavior. This disoder (IED) can be comorbid with panic disorder (People with other mental illnesses such as mood or anxiety disorders may be more likely to also have intermittent explosive disorder.) But I'm not aware of any good studies that show that Panic Attacks increment risk of violence, and would be interested in being directed to any studies that show that.

"There is really no way to control the panic attack after it has begun, other than to just sit still, bear it and wait it out."....."Treatment of both manifestations of this anxiety disorder is permanent maintenance of daily doses of tranquilizers."......" As with the "flight" or panic attack malaise, it can be controlled, once started, only by an extreme exertion of will power. In either case, the exertion of will power is only sufficient to essentially self-immobilize the individual."

The use of daily doses of tranquilizers (alprazolam or clonazepam are the typical choices) can be problematic and is not an unchallenged treatment of choice. SSRI and SNRI antidepressant medications are apt to be equally effective, or even more effective if prolonged use of medication is needed.
HOWEVER, the use of medications for Panic Disorder is by no means unchallenged in the scientific literature. Behavioral techniques (some published by Gayle Beck, Ph.D.), Cognitive-Behavioral treatments (David Barlow, Ph.D.), ACT techniques (e.g. Kelly Wilson, Ph.D.), and Stress Innoculation Training (Donald Meichenbaum, Ph.D.) are thought to be at least equally effective and likely more effective (than drugs) in the long run at reducing the severity, frequency, and duration of Panic Attacks.

So...if you have panic attacks with enough severity or frequency to be a problem for you...IMHO you should start with a well trained Cognitive-Behavioral Psychologist and give that approach a good try. More likely than not this will be markedly effective; more likely than not in fewer than 14-15 sessions. Only if this isn't effective would I then consider medications.

As to Panic Attacks causing you a problem during a survival situation, I have only anectdotal and not published data, so this is a big FWIW: I've never heard of a person having a panic attack during the actual index event, but rather in the aftermath (typically after the danger is past).