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Panic Attack

The physiological sigh can rapidly reduce the feeling of breathlessness: two quick nasal inhales (a second top‑up), followed by a long exhale through the mouth.

Steps (about 90s)

1. Inhale quickly through the nose (~2s), then take a second, shorter inhale.
2. Exhale slowly through the mouth (~6s), emptying fully.
3. Repeat for 90–120 seconds.

If you have a medical condition or severe symptoms, seek professional care. This is not medical advice.