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Hyperventilation syndrome (HVS), also known as chronic hyperventilation syndrome (CHVS), dysfunctional breathing hyperventilation syndrome, cryptotetany, [1] [2] spasmophilia, [3] [4] [5] latent tetany, [4] [5] and central neuronal hyper excitability syndrome (NHS), [3] is a respiratory disorder, psychologically or physiologically based, involving breathing too deeply or too rapidly ...
Hyperventilation is irregular breathing that occurs when the rate or tidal volume of breathing eliminates more carbon dioxide than the body can produce. [ 1 ] [ 2 ] [ 3 ] This leads to hypocapnia , a reduced concentration of carbon dioxide dissolved in the blood.
The most common stimulus is a painful event. The child turns pale (as opposed to blue) and loses consciousness with little if any crying. The EEG is also normal, and there is no postictal phase, nor incontinence. The child is usually alert within minutes. There may be a relationship with adulthood syncope. [4] Complicated breath-holding spells
The child may hold the hands clasped behind the back or held at the sides, with random touching, grasping, and releasing. [5] The movements continue while the child is awake but disappear during sleep. [5] Breathing irregularities such as episodes of apnea and hyperventilation may occur, although breathing usually improves during sleep. [5]
Apnea is a common feature of sobbing while crying, characterized by slow but deep and erratic breathing followed by brief periods of breath holding. Another example of apnea are breath-holding spells ; these are sometimes emotional in cause and are usually observed in children as a result of frustration, emotional stress and other psychological ...
A crying child was locked in a bathroom on a Juneyao Airlines flight. Konev Timur/Getty Images Two passengers locked a crying toddler inside an airplane bathroom on a flight in China.
Central neurogenic hyperventilation (CNH) is an abnormal pattern of breathing characterized by deep and rapid breaths at a rate of at least 25 breaths per minute. Increasing irregularity of this respiratory rate generally is a sign that the patient will enter into coma. CNH is unrelated to other forms of hyperventilation, like Kussmaul's ...
When she was 3 years old, she pointed at the corner that his walking stick used to sit in, waved and said 'Hiya Grandad' with the biggest smile on her face. It was the creepiest and sweetest thing ...