doc martens size 9 Free Articles Online Hypopnea
While eupnoea is normal breathing, hypopnea is an abnormal type of breathing when the airflow is labored because of some pathology of the respiratory system. In other words it’s underbreathing. Hypopnea comes from the Greek roots hypo (meaning low, under, beneath, down, below normal) and pnoe (meaning breathing). Among other abnormal breathing patterns are: bradypnea rare and slow breath, dyspnea intense breath with a shortness, sometimes with cyanosis, hyperpnea the increased amplitude of breathing at the normal rate, tachypnea quickened and fast breathing, oligopnea weakening of respiratory movements accompanied with reduction of breath. Hypopnea is often confused with apnea. But while hypopnea is a reduced amplitude of breathing at the normal rate, apnea is a total cessation of breathing. Hypopnea can occur during sleep. In this case it may turn into a serious sleeping disorder. Sleep hypopnea can be characterized by person repetitive stops of breathing or low breathing for short periods of time during sleep. Speaking in anatomical terms, there is intermittent collapse of the upper airway and reductions in blood oxygen levels during sleep. Thus, a sleeping person becomes incapable to breathe normally and awakens with each collapse. Quantity and quality of sleep is lowered, what results in sleep deprivation and excessive daytime sleepiness. The most usual physiological consequences of hypopnea are cognitive disfunction, coronary artery disease, myocardial infarction, hypertension, memory loss, heart attack, stroke, impotence, psychiatric problems. People suffering from sleep hypopnea increase considerably the overall number of traffic accidents. But as far as hypopnea is closely related to apnea most often we speak of the apnea hypopnea index (AHI). AHI is an index of severity that combines apneas and hypopneas. It is calculated by dividing the number of apneas and hypopneas by the number of hours of sleep correspondingly. CPAP, or continuous positive airway pressure, is considered to be the most effective treatment of hypopnea. It is usually used in case of heavy hypopnea. A patient puts up a mask over his nose or mouth while an air blower forces air through the upper airway. The air pressure is adjusted in a way to avoid the upper airway tissues from collapsing during sleep. Mild hypopnea is treated more conservatively. In the majority of cases hypopnea treatment presupposes refusing from alcohol and smoking before sleep, strengthening gullet muscles by doing certain excercises, avoiding sleeping on the back. Also there is a straight relation between weight loss and improvement of breathing while sleeping. It is established that abnormal breathing patterns during sleep such as sleep apnea and hypopnea, obesity hyperventilation syndrome, etc. usually improve when eating disorders causing overweight and obesity are properly treated.
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