Pulse oximetry in the oesophagus
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چکیده
منابع مشابه
Pulse oximetry in the oesophagus.
Pulse oximetry has been one of the most significant technological advances in clinical monitoring in the last two decades. Pulse oximetry is a non-invasive photometric technique that provides information about the arterial blood oxygen saturation (SpO(2)) and heart rate, and has widespread clinical applications. When peripheral perfusion is poor, as in states of hypovolaemia, hypothermia and va...
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The principal advantage of optical sensors for medical applications is their intrinsic safety since there is no electrical contact between the patient and the equipment. (An added bonus is that they are also less suspect to electromagnetic interference). This has given rise to a variety of optical techniques to monitor physiological parameters: for example, the technique of Laser Doppler veloci...
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Introduction There is no doubt that pulse oximetry represents the greatest advance in patient monitoring in many years. It has the unique advantage of continuously monitoring the saturation of hemoglobin with oxygen, easily and noninvasively, providing a measure of cardio-respiratory function. By virtue of its ability to quickly detect hypoxaemia, it has become the standard of care during anaes...
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Cerebral oximetry has been around for some 3 decades but has had a somewhat checkered history regarding application and reliability. More recently several monitors have been approved in the United States and elsewhere and the technique is emerging as a useful tool for assessing not only adequate cerebral oxygenation but also tissue oxygenation and perfusion in other organs.
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Evaluation of the newborn who has cyanosis requires prompt and logical assessment. Although entities such as polycythemia and methemoglobinemia must be considered, the diagnoses that must be addressed most urgently are primary respiratory disease, congenital heart disease (CHD), and persistent pulmonary hypertension of the newborn (PPHN). These categories of disease are not mutually exclusive, ...
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ژورنال
عنوان ژورنال: Physiological Measurement
سال: 2005
ISSN: 0967-3334,1361-6579
DOI: 10.1088/0967-3334/27/1/r01