Sleep Disorder: Obstructive Sleep Apnea (OSA)

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Glossary

Hypoxemia - Decreased levels of oxygen in the blood.

Hypercapnia - Increased levels of carbon dioxide in the blood.


Papilloedema - Accumulation of fluid in the optic disc due to raised intracranial pressures.

Apnea - Cessation of breathing for about 10sec or more.

Snoring - the sounds made in the throat due to partial obstruction of the airways during sleep.

Cardiac dysrhythmias - Irregularities in the heart rate and rhythm.

Sleep fragmentation - Disruption of the regularity of sleep due to repeated arousals.

Hypopnea -Slow, shallow breathing due to obstruction of the airways.

Myocardial infarction -Death of the cardiac muscle due to insufficient blood supply to the same.

Cognitive function - Ability to concentrate and memorize facts.

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sunny1 Tuesday, June 3, 2008

See this recent publication that indicates that obstructive Sleep Apnea - Obstructive sleep apnea (OSA) is associated with coronary artery disease (CAD). We hypothesized that OSA is independently related to the risk of CAD or death from any cause. In this observational cohort study, patients referred for OSA underwent polysomnography, and subsequent CAD events (myocardial infarction, coronary angiography or bypass graft surgery) or death were recorded. Patients were divided into exposure (AHI 15) and comparison groups (AHI Increased Risk of Coronary Artery Disease and Death, Shah NA et al New Haven, CT

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