1. I started to hyperventilate after running up all those stairs.
Translated: Empecé a hiperventilar después de subir todas esas escaleras.

2. If you feel like you're going to hyperventilate, try taking slow, deep breaths.
Translated: Si sientes que vas a hiperventilar, intenta tomar respiraciones lentas y profundas.

3. The panic attack caused her to hyperventilate uncontrollably.
Translated: El ataque de pánico la hizo hiperventilar sin control.

4. I had to sit down and calm myself before I started to hyperventilate from the stress.
Translated: Tuve que sentarme y calmarme antes de empezar a hiperventilar por el estrés.

5. It's important to recognize the signs of someone who is hyperventilating and help them calm down.
Translated: Es importante reconocer los signos de alguien que está hiperventilando y ayudarlos a calmarse.

6. The doctor instructed the patient on how to prevent hyperventilating during moments of anxiety.
Translated: El médico instruyó al paciente sobre cómo prevenir la hiperventilación durante momentos de ansiedad.