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  2. Liquid breathing - Wikipedia

    en.wikipedia.org/wiki/Liquid_breathing

    Liquid breathing is a form of respiration in which a normally air-breathing organism breathes an oxygen-rich liquid which is capable of CO 2 gas exchange (such as a perfluorocarbon). [ 1 ] The liquid involved requires certain physical properties, such as respiratory gas solubility, density, viscosity, vapor pressure and lipid solubility, which ...

  3. Breath-holding spell - Wikipedia

    en.wikipedia.org/wiki/Breath-holding_spell

    Breath-holding spells occur in approximately 5% of the population with equal distribution between males and females. They are most common in children between 6 and 18 months and usually not present after 5 years of age. They are unusual before 6 months of age. A positive family history can be elicited in 25% of cases.

  4. Panic attack - Wikipedia

    en.wikipedia.org/wiki/Panic_attack

    Panic attacks are associated with many different symptoms, with a person experiencing at least four of the following symptoms: increased heart rate, chest pain, palpitations (i.e. feeling like your heart is pounding out of your chest), difficulty breathing, choking sensation, nausea, abdominal pain, dizziness, lightheadedness (i.e. feeling like ...

  5. 5 Easy Breathing Exercises to Help Relieve Anxiety - AOL

    www.aol.com/5-easy-breathing-exercises-help...

    Here’s why various types of slow, intentional breathing can help: When you’re spinning with anxiety, the limbic system (the primitive or emotional brain) takes over for the prefrontal cortex ...

  6. Hypocapnia - Wikipedia

    en.wikipedia.org/wiki/Hypocapnia

    This explains the other common symptoms of hyperventilation—pins and needles, muscle cramps and tetany in the extremities, especially hands and feet. [ citation needed ] Because the brain stem regulates breathing by monitoring the level of blood CO 2 instead of O 2 , hypocapnia can suppress breathing to the point of blackout from cerebral ...

  7. Transient tachypnea of the newborn - Wikipedia

    en.wikipedia.org/wiki/Transient_tachypnea_of_the...

    Transient tachypnea of the newborn occurs in approximately 1 in 100 preterm infants and 3.6–5.7 per 1000 term infants. It is most common in infants born by caesarian section without a trial of labor after 35 weeks of gestation. Male infants and infants with an umbilical cord prolapse or perinatal asphyxia are at higher risk.

  8. Panic disorder - Wikipedia

    en.wikipedia.org/wiki/Panic_disorder

    Panic disorder is a mental and behavioral disorder, [5] specifically an anxiety disorder characterized by reoccurring unexpected panic attacks. [1] Panic attacks are sudden periods of intense fear that may include palpitations, sweating, shaking, shortness of breath, numbness, or a feeling that something terrible is going to happen.

  9. Diving reflex - Wikipedia

    en.wikipedia.org/wiki/Diving_reflex

    Diving reflex in a human baby. The diving reflex, also known as the diving response and mammalian diving reflex, is a set of physiological responses to immersion that overrides the basic homeostatic reflexes, and is found in all air-breathing vertebrates studied to date.