Contraindications
Performing forced expiratory manoeuvres involved in spirometry testing may be contraindicated in certain conditions.
Contraindications for the spirometry testing
Absolute contraindications
For FVC, VC and MVV tests:
• Post-operative thoracic surgery patients.
For FVC tests:
• Severe instability of the airways (patients with severe Emphysema).
• Bronchial non-specific marked hypersensitivity.
• Severe gas exchange impairment (total or partial respiratory insufficiency).
Relative contraindications
For FVC tests:
• Spontaneous post-pneumothorax.
• Arterial-venous aneurysm.
• Severe arterial hypertension.
• Pregnant with complications in the 3
rd
month.
For MVV tests:
• Hyperventilation syndrome.
Contraindications for Bronchial Provocation testing
Bronchial Provocation testing must be executed under the direction of a physician. Testing is considered safe when executed properly in a clinical
setting, but the following contraindications should be acknowledged prior to testing:
Absolute contraindications
• Severe bronchial obstruction (decreased FEV
1
in adults).
• Recent myocardium infarct.
• Recent cerebral vascular accident.
• Known arterial aneurysm.
• Incapacity for understanding the provocation test procedures and its implications.
Relative contraindications
• Bronchial obstruction caused by performing respiratory manoeuvres.
• Moderate or serious bronchial obstruction (FEV
1
< 1.51 in men and FEV
1
< 1.21 in women).
• Recent respiratory infection.
• Recent Asthma exacerbation.
• Hypertension
• Pregnancy
• Epilepsy
8 - Getting started - Contraindications
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