Sounds like you are having a panic attack. Panic Attack Symptoms | Anxiety and Depression Association of America, ADAA[^]
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A panic attack is the abrupt onset of intense fear or discomfort that reaches a peak within minutes and includes at least four of the following symptoms: Palpitations, pounding heart, or accelerated heart rate Sweating Trembling or shaking Sensations of shortness of breath or smothering Feelings of choking Chest pain or discomfort Nausea or abdominal distress Feeling dizzy, unsteady, light-headed, or faint Chills or heat sensations Paresthesia (numbness or tingling sensations) Derealization (feelings of unreality) or depersonalization (being detached from oneself) Fear of losing control or “going crazy” Fear of dying