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PSIO 450 (3)
Fregosi (3)
Final

PSIO 450 final.docx

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Department
Physiology
Course
PSIO 450
Professor
Fregosi
Semester
Spring

Description
PSIO 450 Final reviewLec 1 Asthma 412014Pulse oximetrymeasures our percent saturation of hemoglobinSigmoidal curve based on the pulse oximetryIt can be placed anywhere that light can be transmittedFunctionit measures blood during systole when O2 is at its peakat this point our finger is at its largest diameter Two wavelengths are detected1REDat 660nm 2Infrared at 910nmProblems with pulse oximetryMotion of the individualPerfusion shock temperature cause abnormal perfusionTemperatureAmbient lightNail polish Abnormal Hgb Anemiathe sigmoidal curve is only used to determine saturation in normalhealthy individualsAsthma Architecture is disruptedsignificant morbidity and mortalityChildren have a higher prevalence for asthma than adults and females also have a higher prevalence than men In addition race and ethnicity also plays a rolein this as well black people have a tendency to get it more frequently than white people Asthma is a chronic inflammatory Disease Bronchial mucosaDisrupted architectureColumnar epithelium disruptedThick basement membrane
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