The eucapnic voluntary hyperpnoea
(EVH) challenge is recognized as a sensitive and specific indirect airway challenge to assist in the diagnosis of EIB in athletic populations (Parsons et al.
3) JSRD presents with episodic hyperpnoea
, abnormal eye movements, ataxia and intellectual disability.
The clinical examination revealed nystagmus with abnormal eye movements, small optic discs, frontal bossing, upturned nasal tip, recurrent episodes of hyperpnoea
and developmental delay.
The severity of acute bronchiolitis is closely related to the degree of hypoxaemia and hyperpnoea
arising from an abnormal distribution of ventilation relative to perfusion.
attacks were observed in one case.
However, the excessive use of food additives could lead to adverse effects such as metabolic acidosis, convulsions and hyperpnoea
in humans [2, 3].