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Symptoms during HCVR
| Symptom | Frequency of occurrence (%) |
|---|---|
| Difficult to breathe/short of breath | 32 |
| Dizzy/lightheaded | 28 |
| Hot, sweaty | 20 |
| Nothing (other than MDP scores) | 17 |
| Headache | 17 |
| Tingling | 14 |
| Anxious/fear/ closing in | 12 |
| Others (weird feeling/jaw pain/distorted vision) | 12 |
| Weak/tired | 6 |
| Nausea | 6 |
| Cough/dry | 4 |
| Ear popping/ear pressure | 3 |
| Shaking/twitching | 3 |
