Panic Attacks: Why They Feel Exactly Like a Heart Attack
A racing heart, a tight chest and a certainty that something is very wrong. There is a straightforward physiological reason it feels that convincing.
People having a first panic attack overwhelmingly believe they are having a cardiac event. That belief is reasonable, because the physical sensations are real and are produced by the same system.
What is happening in the body
A panic attack is your threat response firing at full strength with no threat present. Adrenaline is released. Heart rate rises, breathing quickens, blood is redirected to large muscles. That produces the racing heart, the tight chest, the tingling hands, the dizziness and the feeling of unreality.
Every one of those sensations is your body doing exactly what it is built to do. It has simply done it at the wrong moment.
Why it peaks and passes
Adrenaline is cleared relatively quickly. Panic attacks typically peak within about ten minutes and then subside. Unpleasant as it is, the attack itself is self-limiting and not dangerous.
The part that turns one attack into a disorder
It is rarely the attacks themselves. It is what happens afterwards: avoiding the place it happened, then places like it, then anywhere it would be embarrassing to have another. Each avoidance brings relief, which teaches the brain the avoidance was necessary. The world quietly narrows.
This is why treatment focuses so heavily on avoidance rather than only on the attacks.
What helps
- Getting physical causes properly considered once, so the question is settled.
- Understanding the mechanism, which genuinely reduces the fear of the sensations.
- Slow breathing with a longer out-breath than in-breath.
- Deliberately not avoiding, with support, which is where the real gains are.
- Medication where appropriate, to reduce frequency and intensity while the rest is done.
Chest pain should be assessed medically the first time, and any time it is different from your usual pattern. Getting checked is sensible, not an overreaction.
General information only. This article is education, not a diagnosis and not medical advice, and reading it does not create a provider and patient relationship. Please discuss your own situation with a qualified clinician.
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