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Hypoxaemia: Reversible Causes of Cardiac Arrest

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Hypoxaemia is the reduction in oxygen partial pressure values dissolved in arterial blood (PaO2) and arterial oxygen saturation (SaO2) (Pruitt, 2004). Pa02 is best measured by arterial blood gas (ABG) analysis, while SaO2 can be routinely assessed using a non-invasive test called pulse oximetry.

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<p>Reversible Causes of Cardiac Arrest - 4Hs and 4Ts: Hypoxaemia This is the first explainer in a series of eight, outlining reversible causes of cardiac arrest. What is Hypoxaemia? Hypoxaemia is the reduction in the values for partial pressure of oxygen dissolved in arterial blood (PaO2) and arterial oxygen saturation (SaO2) (Pruitt, 2004). Pa02 is best measured by arterial blood gas (ABG) analysis, while SaO2 can be routinely assessed using a non-invasive test called pulse oximetry. During nursing assessment, hypoxaemia should be considered if a patient has a respiratory rate greater than 24 per minute, and arterial oxygen saturations (SaO2) </p>

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Cheryl Prescott
Cheryl is a Nurse Educator, living in Brisbane, Australia, with an extensive background in clinical nursing across multiple specialties, including coronary care, cardiology and acute medicine. She is a passionate advocate for accessible, meaningful education, quality and research that supports nursing practice and improves patient care. She is a major proponent of the #FOANed movement, which advocates creation, curation and sharing of free, open-access nursing education resources via social media. She is also involved in an international campaign, #WhyWeDoResearch, as she strongly believes that involvement in research, at whatever level possible, is a key responsibility of all healthcare professionals. Only by investing time, energy and resources in sharing and developing our knowledge can we move forward and meet our future challenges.
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691 reviews by Ausmed Learners
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Anne Domingo
02 May 2020
great resource!
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Susan Turay
07 May 2020
The algorithm notes that the reversible causes of arrest typically result in a non- shockable rhythm, Performing CPR takes precedence over treating the reversible causes within the first two minutes. The reversible causes of cardiac arrest can classified into two categories which are the H's and T's. They are : Hypoxia- is life threatening when the lungs do not function or provide enough oxygen to maintain perfusion to the tissues. That will lead to stress, lactic acid build up all over the body thus causing tissue death and the loss of electrical activity.To treat HYPOXIA,establish an advanced airway,rescue breaths, CPR and oxygen therapy. Hypovolemia- loss of bodily fluid typically blood,traumatic blood loss,gastrointestinal bleeding,severe diarrhoea,vomiting,ongoing dehydration and extreme sweating in the form of decrease blood flow. To treat ,administer plasma,IV fluids,blood and clotting factors( Savealife.com) Accessed 7/04/2020
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Irma Millan
10 May 2022
Registered Nurse
great information
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EMILY ADAMSON
18 Sep 2020
Informative and quick
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Haiyan Wu
04 May 2020
Very informative.
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Kathryn Newbon
08 Apr 2021
This was a good reinforcement of knowledge of text and clinical lab learning this semester.
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Bree ashman
02 May 2020
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Dominic Wade
16 May 2020
A good short article
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Natasha spinelli
11 Jan 2021
Easy to understand, quick and precise.
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Maribeth Crucero
10 May 2020
good knowledge
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