Original Article

Nocturnal Hypoxia and Arterial Lactate Levels in Sleep-Related Breathing Disorders

Background:Lactate may be useful in pointing out the higher risk subgroups in sleep-related breathing disorders (SRBD) with various patterns of hypoxemia. We aimed to search whether morning and night lactate levels are related to apnea-hypopnea, hypoventilation, and hypoxemia in patients with SRBD and to compare it with patients without SRBD…

Posted in: apnea 2 hypoxia 2 obstructive sleep apnea 7 polysomnography 2

Case Report

An Interesting Case of Positional Hypoxia: The Effect of Multiple Synergistic Pathological Conditions

Abstract:This report describes an elderly patient evaluated for generalized fatigue, dyspnea, presyncopal episodes, and positional hypoxemia. Workup revealed posturally related oxygen desaturation, a patent foramen ovale (PFO), an atrial septal aneurysm, and primary adrenal insufficiency. Normal intracardiac pressures and a right-to-left PFO shunt were present only while the patient was…

Posted in: atrial septal defect 2 dyspnea 6 hypoxia 2 patent foramen ovale 6
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