Discrete period of intense fear or discomfort that peaks within a few minutes 'plus at least four of the following:
Chest<unk> in,<unk> lpitations
Dyspnea, feeling of suffocation
Diaphoresis, hot or cold flashes
Nausea
Trembling
Flexor spasm of hands and feet (carpopedal spasm)<unk> resthesias
Fear of death, fear of losing control
Depersonalization
May feel the "urge to flee" or "sense of impending doom"
The acute respiratory alkalosis can cause a transient imbalance of calcium, potassium and other ions, with the net effect of increasing the irritability of excitable muscles and nerves
Chest<unk> in,<unk> lpitations
Dyspnea, feeling of suffocation
Diaphoresis, hot or cold flashes
Nausea
Trembling
Flexor spasm of hands and feet (carpopedal spasm)<unk> resthesias
Fear of death, fear of losing control
Depersonalization
Panic attack
Pulmonary
Heat syncope
Airway obstruction
Heat stroke
Anaphylaxis
Electrical storm
Angioedema