01-27-2017, 12:10 PM
What is AHI?
sorry! New here. What is AHI?
Thanks!
Thanks!
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What is AHI?
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Binti1962
Posts: 13 Threads: 6 Joined: Jan 2017
Machine: ResMed Airsense 10 Autoset 
Crimson Nape
Posts: 14,001 Threads: 175 Joined: Oct 2014
Machine: AirCurve 10 Vauto
01-27-2017, 12:29 PM
RE: What is AHI?
Hi Binti1962 -
 I have provided 2 links that will be useful. Sleep Apnea Definitions: http://www.apneaboard.com/wiki/index.php...efinitions Sleep Apnea Acronyms: http://www.apneaboard.com/wiki/index.php?title=Acronyms
Crimson Nape
Apnea Board Moderator www.ApneaBoard.com ___________________________________ Useful Links -or- When All Else Fails: The Guide to Understanding OSCAR OSCAR Chart Organization Attaching Images and Files on Apnea Board Apnea Helpful Tips INFORMATION ON APNEA BOARD FORUMS OR ON APNEABOARD.COM SHOULD NOT BE CONSIDERED AS MEDICAL ADVICE. ALWAYS SEEK THE ADVICE OF A PHYSICIAN BEFORE SEEKING TREATMENT FOR MEDICAL CONDITIONS, INCLUDING SLEEP APNEA. INFORMATION POSTED ON THE APNEA BOARD WEB SITE AND FORUMS ARE PERSONAL OPINION ONLY AND NOT NECESSARILY A STATEMENT OF FACT.
Gideon
Wiki Editor 
Posts: 12,834 Threads: 298 Joined: Dec 2016
Machine: ResMed Aircurve 10 VAuto
01-27-2017, 06:11 PM
RE: What is AHI?
Apnea - Cessation of breathing for 10 or more seconds during sleep. There are two basic types of sleep apnea: Obstructive Apnea is caused by a closure of the air passage despite efforts to breathe; Central Apnea is a lack of effort to breathe. Obstructive Sleep Apnea is by far the most common type. True apnea during wakefulness is extremely rare.
Apnea/Hypopnea Index - (AHI) (RDI or Respiratory Disturbance Index) The frequency of abnormal respiratory events per hour of sleep. These events are classified as Apneas or Hypopneas. Apnea is when breathing (airflow) stops for 10 seconds or more. Hypopnea is a partial blockage of airflow resulting in arousal and a possible drop in oxygen level. An AHI of 45 would indicate that the patient is experiencing complete or partial airflow blockage 45 times per hour. Apnea Index - The frequency of apneas per hour of sleep
Gideon - Project Manager and Lead Tester for OSCAR - Open Source CPAP Analysis Reporter
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