Table 3– Nijmegen Questionnaire symptom checklist
Chest pain
Feeling tense
Blurred vision
Dizzy spells
To be confused, losing touch with environment
Accelerated or deepened breathing
Shortness of breath
Constricted chest
Bloated abdominal sensation
Tingling fingers
Unable to breath deeply
Stiffness of fingers or arms
Tightness around the mouth
Cold hands or feet
Palpitations
Feeling of anxiety
  • Each item scores 0 (never) to 4 (very often) points. When the Nijmegen Questionnaire score is ≥23, the diagnosis of dysfunctional breathing is 80% certain. Modified from 65 with permission from the publisher.