Panic attack

Infobox_Disease
Name = Panic attack


Caption =
DiseasesDB = 30913
ICD10 = ICD10|F|41|0|f|40
ICD9 = ICD9|300.01
ICDO =
OMIM =
MedlinePlus =
eMedicineSubj =
eMedicineTopic =
MeshID = D016584

Panic attacks are sudden, discrete periods of intense anxiety, mounting physiological arousal, fear, stomach problems and discomfort that are associated with a variety of somatic and cognitive symptoms. [ Diagnostic and Statistical Manual of Mental Disorders] The onset of these episodes is typically abrupt, and may have no obvious triggers. Although these episodes may appear random, they are a subset of an evolutionary response commonly referred to as fight or flight that occur out of context. This response floods the body with hormones, particularly epinephrine (adrenaline), that aid in defending itself from harm.Bourne, E. (2005). "The Anxiety and Phobia Workbook", 4th Edition: New Harbinger Press.] Experiencing a panic attack is said to be one of the most intensely frightening, upsetting and uncomfortable experiences of a person's life.

According to the American Psychological Association the symptoms of a panic attack commonly last approximately thirty minutes. However, panic attacks can be as short as 15 minutes, while sometimes panic attacks may form a cyclic series of episodes, lasting for an extended period, sometimes hours. Often those afflicted will experience significant "anticipatory anxiety" and limited symptom attacks in between attacks, in situations where attacks have previously occurred, and in situations where they feel "trapped". That is, where escape would be obvious and/or embarrassing.

Panic attacks also affect people differently. Experienced sufferers may be able to completely "ride out" a panic attack with little to no obvious symptoms or external manifestations. Others, notably first-time sufferers, may even call for emergency services; many who experience a panic attack for the first time fear they are having a heart attack or a nervous breakdown. [ Citation | title=Don't Panic: Taking Control of Your Anxiety Attacks. Revised Edition, HC | first1=Wilson | last1=Reid | year=1996]

Descriptions

Many who suffer panic attacks state they are the most frightening experiences of their lives. Sufferers of panic attacks report a fear or sense of dying, "going crazy", or experiencing a heart attack or "flashing vision", feeling faint or nauseous, or losing control of themselves. These feelings may provoke a strong urge to escape or flee the place where the attack began (a consequence of the sympathetic "fight or flight" response).

A panic attack is a response of the sympathetic nervous system (SNS). The most common symptoms may include trembling, dyspnea (shortness of breath), heart palpitations, chest pain (or chest tightness), hot flashes, cold flashes, burning sensations (particularly in the facial or neck area), sweating, nausea, dizziness (or slight vertigo), light-headedness, hyperventilation, paresthesias (tingling sensations), sensations of choking or smothering or derealization, the feeling that nothing is real. These physical symptoms are interpreted with alarm in people prone to panic attacks. This results in increased anxiety, and forms a positive feedback loop. [ Citation | title=Panic Anxiety and Its Treatments: Report of the World Psychiatric Association Presidential Educational Program Task Force | publisher=American Psychiatric Association | first1=Gerald L. | last1=Klerman | first2=Robert M. A. | last2= Hirschfeld | first3=Myrna M. | last3=Weissman | pages=pp.44 | year=1993 | isbn=978-0880486842 ]

Often when shortness of breath and chest pain are the predominant symptoms, the sufferer incorrectly appraises this as a sign or symptom of a heart attack. This can result in the person experiencing a panic attack seeking treatment in an emergency room.

Panic attacks are distinguished from other forms of anxiety by their intensity and their sudden, episodic nature. They are often experienced in conjunction with anxiety disorders and other psychological conditions, although panic attacks are not always indicative of a mental disorder.

Triggers and causes

*Long-Term, Predisposing Causes — Heredity. Panic disorder has been found to run in families, and this may mean that inheritance genes plays a strong role in determining who will get it. However, many people who have no family history of the disorder develop it. Various twin studies where one identical twin has an anxiety disorder have reported an incidence ranging from 31 to 88 percent of the other twin also having an anxiety disorder diagnosis. Environmental factors such as "an overly cautious view of the world" expressed by parents and cumulative stress over time have been found to be causes.

*Biological Causes — Generalized anxiety, obsessive compulsive disorder, post traumatic stress disorder, hypoglycemia, hyperthyroidism, Wilson's disease, mitral valve prolapse, pheochromocytoma and inner ear disturbances (labyrinthitis). Vitamin B deficiency from inadequate diet or caused by periodic depletion due to parasitic infection from tapeworm can be a trigger of anxiety attacks.

*Phobias — People will often experience panic attacks as a direct result of exposure to a phobic object or situation.

*Short-Term Triggering Causes — Significant personal loss, including an emotional attachment to a romantic partner, life transitions, significant life change, stimulants such as caffeine or nicotine, or the drugs marijuana or psilocybin, can act as triggers.

* Maintaining Causes — Avoidance of panic provoking situations or environments, anxious/negative self-talk ("what-if" thinking), mistaken beliefs ("these symptoms are harmful and/or dangerous"), withheld feelings, lack of assertiveness.

* Lack of Assertiveness — A growing body of evidence supports the idea that those that suffer from panic attacks engage in a passive style of communication or interactions with others. This communication style, while polite and respectful, is also characteristically un-assertive. This un-assertive way of communicating seems to contribute to panic attacks while being consistently present in those that are afflicted with panic attacks.

* Medications — Sometimes panic attacks may be a listed side effect of medications such as Ritalin (methylphenidate). These may be a temporary side effect, only occurring when a patient first starts a medication, or could continue occurring even after the patient is accustomed to the drug, which likely would warrant a medication change in either dosage, or type of drug. Nearly the entire SSRI class of antidepressants can cause increased anxiety in the beginning of use. It is not uncommon for inexperienced users to have panic attacks while weaning on or off the medication, especially ones prone to anxiety.

*Hyperventilation Syndrome — Breathing from the chest may cause overbreathing, exhaling excess carbon dioxide in relation to the amount of oxygen in one's bloodstream. Hyperventilation Syndrome can cause respiratory alkalosis and hypocapnia. This syndrome often involves prominent mouth breathing as well. This causes a cluster of symptoms including rapid heart beat, dizziness, and lightheadedness which can trigger panic attacks.

*Situationally Bound Panic Attacks — Associating certain situations with panic attacks, due to experiencing one in that particular situation, can create a cognitive or behaviorally predisposition to having panic attacks in certain situations (situationally bound panic attacks). It is a form of classical conditioning. See PTSD

*Pharmacological Triggers — Certain chemical substances, mainly stimulants but also certain depressants, can either contribute pharmacologically to a constellation of provocations, and thus trigger a panic attack or even a panic disorder, or directly induce one. [ [http://www.nlm.nih.gov/medlineplus/ency/article/000924.htm MedlinePlus Medical Encyclopedia: Panic disorder ] ] [ [http://panicdisorder.about.com/cs/shfitness/a/caffeine.htm Caffeine and Panic Disorder ] ] This includes caffeine, amphetamine, alcohol and many more. Some sufferers of panic attacks also report phobias of specific drugs or chemicals, that thus have a merely psychosomatic effect, thereby functioning as drug-triggers by non-pharmacological means. [ [http://fondationmarievictorin.qc.ca/panic-and-anxiety-attack-medication.php Psychosomatic And Drug-induced Panic Attacks ] ]

Physiological considerations

While the various symptoms of a panic attack may feel that the body is failing, it is in fact protecting itself from harm.The various symptoms of a panic attack can be understood as follows. First, there is frequently (but not always) the sudden onset of fear with little provoking stimulus. This leads to a release of adrenaline (epinephrine) which brings about the so-called fight-or-flight response wherein the person's body prepares for strenuous physical activity. This leads to an increased heart rate (tachycardia), rapid breathing (hyperventilation) which may be perceived as shortness of breath (dyspnea), and sweating (which increases grip and aids heat loss). Because strenuous activity rarely ensues, the hyperventilation leads to a drop in carbon dioxide levels in the lungs and then in the blood. This leads to shifts in blood pH (respiratory alkalosis or hypocapnia), which in turn can lead to many other symptoms, such as tingling or numbness, dizziness, burning and lightheadedness. Moreover, the release of adrenaline during a panic attack causes vasoconstriction resulting in slightly less blood flow to the head which causes dizziness and lightheadedness. A panic attack can cause blood sugar to be drawn away from the brain and towards the major muscles. It is also possible for the person experiencing such an attack to feel as though they are unable to catch their breath, and they begin to take deeper breaths, which also acts to decrease carbon dioxide levels in the blood.

The "panic trick" (Carbonell 2004)

Dr. David Carbonell describes panic attacks and Panic Disorder as a "trick". First, it tricks the sufferer into believing what they are experiencing is dangerous, for example having a heart attack, fainting, insanity, and/or "doing something crazy", when a panic attack presents no danger. Second, it tricks those afflicted into doing anything they believe will help them, which can make the panic attacks worse. These activities would include avoidance behaviors, trying to control panic attacks (for example, by taking deep breaths), fighting panic attacks, superstitions and rituals to avoid panic attacks and excessive self-protection. (Carbonell 2004)

ymptoms

Heart palpitations

Diaphoresis or perspiration

Trembling or tremors

Dyspnea

Hyperventilation

Chills

Hot flashes

Nausea

Abdominal pain or abdominal cramping

Chest pain

Headache

Dizziness

Lightheadedness

Faintness

Tightness in throat

Tunnel vision

Trouble swallowing

A sense of impending death

Feeling like one is experiencing a myocardial infarction

[http://www.mayoclinic.com/health/panic-attacks/DS00338/DSECTION=symptoms]

Agoraphobia

Agoraphobia is an anxiety disorder which primarily consists of the fear of experiencing a difficult or embarrassing situation from which the sufferer cannot escape. As a result, severe sufferers of agoraphobia may become confined to their homes, experiencing difficulty traveling from this "safe place". The word "agoraphobia" is an English adoption of the Greek words agora (αγορά) and phobos (φόβος), literally translated as "a fear of the marketplace" usually applies to any or all public places; however the essence of agoraphobia is a fear of panic attacks especially if they occur in public as the victim may feel like he or she has no escape and be very embarrassed of having one publicly in the first place. This translation is the reason for the common misconception that agoraphobia is a fear of open spaces, and is not clinically accurate.

People who have had a panic attack in certain situations may develop irrational fears, called phobias, of these situations and begin to avoid them. Eventually, the pattern of avoidance and level of anxiety about another attack may reach the point where individuals with panic disorder are unable to drive or even step out of the house. At this stage, the person is said to have panic disorder with agoraphobia. This can be one of the most harmful side-effects of panic disorder as it can prevent sufferers from seeking treatment in the first place. It should be noted that upwards of 90% of agoraphobics achieve a full recovery. Agoraphobia is actually not a fear of certain places but a fear of having panic attacks in certain places.

In its extreme form, agoraphobia and panic attacks can lead to a situation where people become housebound for numerous years (Barry 2006). In Japan this condition is coined and down-played as Hikikomori, as it is rather commonly perceived by the Japanese psychiatrists as a state of mere laziness and indulgent behaviour forgiven by the mercy of the sufferer's family. General perception amongst the Japanese are that Hikikomori sufferers are lazy freeloaders of the society. That means Japanese sufferers may not actually seek out treatment due to the negative connotation of the disorder and become more dependent on their families, thus resulting in a self-fulfilling prophecy of sorts.

It is important to note that agoraphobia is by no means a hopeless situation. Sufferers often do not realize that they have experienced these same situations before and nothing terrible occurred. Successful treatment is possible with the right combination of therapy and medication.

Panic disorder

People who have repeated, persistent attacks or feel severe anxiety about having another attack are said to have Panic Disorder. Panic Disorder is strikingly different from other types of anxiety disorders in that panic attacks are often sudden and unprovoked. [ [http://familydoctor.org/137.xml Panic Disorder: Panic Attacks and Agoraphobia - familydoctor.org ] ]

In 1993 Jacob Markusson developed a technique he coined the POEM system, or [http://www.saneadvice.com/point-of-exit-methodology-poem-system/ Point Of Exit Methodology] , whereby a patient focuses a pattern of thinking during the exit of the panic attack. The theory being that the sufferer can break the cycle of panic attacks and resume a panic-free life. The POEM system has been used effectively to give patients relief without the use of medication such as Paxil.

Treatment

People with Panic disorder often can be successfully treated with therapy, particularly Cognitive Behavioral Therapy and/or anti-anxiety medication or antidepressants.

Paper bag rebreathing

Some panic attack sufferers and even some doctors recommend breathing into a paper bag as an effective short-term treatment of an acute panic attack. [ [http://www.netdoctor.co.uk/ate/mentalhealth/205625.html Breathing in and out of a paper bag] ] However, this claim has been debunked and it is no longer a valid medical treatment, since it has been found to be ineffective as a treatment and further, harzardous to the patient, even potentially enworsening the panic attack. [http://firstaid.about.com/od/shortnessofbreat1/f/07_paper_bags.htm Hyperventilation Syndrome - Can I treat hyperventilation syndrome by breathing into a paper bag?] ] It can fatally lower oxygen levels in the blood stream, [Breathing into a paper bag restricts the fresh air you are able to get. Without fresh air, too little oxygen is in the air you're inhaling. So, breathing into a paper bag dangerously lowers the amount of oxygen in your bloodstream. There have been several documented cases of heart attack patients incorrectly thinking they had hyperventilation syndrome and fatally worsening their heart attacks by breathing into a paper bag. http://firstaid.about.com/od/shortnessofbreat1/f/07_paper_bags.htm] and increase carbon dioxide levels, which in turn has been found to be a major cause of panic attacks. [To make matters worse, several studies now show a link between high concentrations of CO2 and panic attacks, which means that artificially increasing CO2 in inhaled air is likely to trigger more feelings of panic in patients who suffer from anxiety. http://firstaid.about.com/od/shortnessofbreat1/f/07_paper_bags.htm]

Medication

The benzodiazepine class of drugs includes diazepam, lorazepam, alprazolam, and clonazepam. These drugs are highly effective and very fast acting in stopping panic.

Some doctors may prefer to prescribe an antidepressant, particularly an SSRI (such as paroxetine, sertraline, fluvoxamine, escitalopram or fluoxetine), which after an initial titration period may be effective at reducing anxiety.Fact|date=October 2007 SNRIs such as Venlafaxine can also be prescribed. StudiesSpecify|date=October 2007 have proven they may be more effective than the SSRIs for anxiety.Fact|date=October 2007 NaSSAs such as Mirtazapine have also been found effective, particularly with individuals whose anxiety and panic causes insomnia.Fact|date=October 2007Smoking is one of the major causes of panic attacks. This is because of the carbon dioxide in the body which is increase by the smoking.

Treatment

All persons experiencing persistent and frequent panic attacks should consult their physicians. However, many experienced sufferers treat panic attacks with some the following methods and techniques:

* Diaphragmatic Breathing or Abdominal Breathing — Breathing slowly through the nose using the diaphragm and abdomen. Do not breathe through the mouth. Focus on exhaling very slowly. This will correct or prevent an imbalance of oxygen to carbon dioxide in the blood stream.

* Taking anti-anxiety medication — to be used under the guidance and direction of a physician.

* Staying in the Present — rather than having "what if" thoughts that are future oriented asking yourself, "what is happening now" and "how do I wish to respond to it". (Carbonell 2004)

* Acceptance and Acknowledgement- accepting and acknowledging the panic attack. (Carbonell 2004)

* Floating with the symptoms — allowing time to pass and floating with the symptoms rather than trying to make them better or fighting them. (Carbonell 2004)

* Coping Statements — repeated as part of an internal monologue
**"No one has ever died from an anxiety attack."
**"I will let my body do its thing. This will pass."
**"I can be anxious and still deal with this situation."
**"This does not feel great, but I can deal with it".
**"I am frightened of being frightened, therefore if I stop worrying about being frightened, then I have nothing to be scared of."

* Talking with a supportive person — someone who has experienced true panic attacks personally; someone who is highly trained in treating panic attacks; loved ones who can offer support and comfort.

* One particularly helpful and effective form of therapy is Cognitive Behavioral Therapy (CBT). This is the most generally accepted method of treatmentFact|date=June 2008.

Interoceptive desensitization/symptom inductions

Another form of treatment is 'Interoceptive Desensitization which intends to desensitize the afflicted from the symptoms of panic attacks. In a study by Barlow & Craske (1989), 87% of the individuals that participated in the two of four treatments that involved Interoceptive Desensitization were free of panic at the end of treatment and these results were maintained at a 2-year follow up. In controlled studies of Interoceptive Desensitization treatments compared to other treatments, those treatments that included Interoceptive Desensitization were found to be significantly superior to other treatments such as muscle relaxation alone, or education or insight-oriented treatments. Interoceptive Desensitization often leads to a dramatic reduction in the frequency and intensity of panic attacks and as such should be implemented immediately under the guidance of a mental health professional. It is important the patient is given medical clearance and permission from a medical doctor before attempting these exercises.The key to the induction is that the exercises should mimic the most frightening symptoms of a panic attack. Symptom Inductions should be repeated 3-5 times per day until the patient has little to no anxiety in relation to the symptoms that were induced. Often it will take a period of weeks for the afflicted to feel no anxiety in relation to the induced symptoms. With repeated trials, a person learns through experience that these internal sensations do not need to be feared – the individual becomes less sensitized or desensitized to the internal sensation. After repeated trials, when nothing catastrophic happens, the brain learns (hippocampus & amygdala) to not fear the sensations, and the sympathetic nervous system activation fades. Many people overcome Panic Disorder and sudden Panic Attacks on their own. It takes time, but in a sense, they ride out the panic attacks and eventually learn that nothing is going to happen during one. Often, they 'taper off' until they are not noticeable any longer. It is for this reason that some psychologists helping people with panic disorders induce them into an attack, so they can see for themselves that indeed, nothing will happen.

Increased risk of heart attack and stroke

A recent study suggests that menopausal women with panic disorder and many occurrences of panic attacks have a threefold higher risk of suffering heart attack or stroke over the next five years. The researchers believe that panic attacks or more accurately their associated symptoms (chest pain, dyspnea) can be manifestations of undiagnosed cardiovascular disease, or result in heart damage due to cardiovascular stress in patients with panic disorder and many panic attacks over periods of years. [http://www.nytimes.com/aponline/us/AP-Panic-Attacks-Heart.html] The study did not find that isolated cases of panic attacks in patients without panic disorder or agoraphobia lead to immediate heart damage, nor did it prove that the correlation between panic disorder and strokes was causal, or that it couldn't be attributed to the cardiovascular effects of medication that many panic disorder patients receive, such as SSRIs and benzodiazepines.

Limited symptom attack

Many people being treated for panic attacks begin to experience limited symptom attacks. These panic attacks are less comprehensive with fewer than 4 bodily symptoms being experienced.

References

External links

* [http://www.nomorepanic.co.uk No More Panic] UK based website for sufferers of panic attacks
* [http://www.adaa.org Anxiety Disorders Association of America] Information for families, clinicians and researchers
* [http://www.apa.org/pubinfo/panic.html American Psychological Association: Answers to Your Questions About Panic Disorder]
* [http://www.surgeongeneral.gov/library/mentalhealth/chapter4/sec2.html US Surgeon General]
* [http://panicdisorder.about.com/od/pdbasics/a/attackquiz.htm Quiz: Did I Have a Panic Attack?]
* http://www.nopanic.org.uk/