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https://www.ahajournals.org/doi/10.1161/CIRCULATIONAHA.118.033620
Although it is made easier and quicker to apply a Sp o 2 monitor than obtain arterial blood gas samples, Sp o 2 monitoring has limitations in low-flow states. 11 The cardiac output is low during resuscitation for a cardiac arrest 12 and often remains low after ROSC. The consequent low mixed venous oxygen saturation exacerbates hypoxemia caused by ventilation-perfusion mismatching as blood passes …Author: Nicole F. McKenzie, Nicole F. McKenzie, Geoffrey J. Dobb, Geoffrey J. Dobb
http://www.signavitae.com/2010/09/the-role-of-oxygen-in-cardiac-arrest-resuscitation/
Sep 07, 2010 · The heart is incapable of storing significant oxygen or substrates and thus is entirely dependent on a continuous delivery of flow in order to support its high metabolic state. Following cardiac arrest, myocardial tissue oxygen tension falls rapidly and aerobic production of ATP ceases.Author: Mark G. Angelos
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4520204/
Oct 07, 2014 · Oxygen after cardiac arrest: human studies. Two studies reported conflicting results regarding oxygen management during the early phase of CA (Table 1).In 145 out-of-hospital CA patients, Spindelboeck and colleagues [] observed that high PaO 2 (more than 300 mm Hg) levels during CPR were associated with higher rates of ROSC and intact neurological survival when compared with …Author: Antonio Maria Dell’Anna, Irene Lamanna, Jean-Louis Vincent, Fabicpro Silvio Taccone
https://clinicaltrials.gov/ct2/show/NCT03138005
May 03, 2017 · The administration of 100% oxygen for the first hours after resuscitation is based largely on convention and not on any supportive clinical data. It has been thought that maximizing oxygen delivery for several hours might be beneficial in a patient who has suffered profound deprivation of oxygen supply ("hypoxia") during a cardiac arrest.
https://www.acc.org/latest-in-cardiology/articles/2017/05/15/08/34/oxygen-for-acs
May 15, 2017 · Supplemental oxygen has routinely been used in the initial treatment of patients with acute coronary syndromes, including both myocardial infarction and post-cardiac-arrest patients. A number of recent trials have focused attention on not only the lack of evidence for supplemental oxygen but also the potential adverse effects. 1-3
https://samplenursingpapers.com/uncategorized/oxygen-therapy-for-cardiac-problems/
Apr 09, 2020 · Oxygen Therapy for Cardiac Problems. Oxygen therapy is the administration of oxygen at a higher concentration than that of ambientair. The main intention of this process is to either treat or prevent the symptoms and manifestations of hypoxia. Oxygen therapy decreasesthe work of breathing by increasing alveolar oxygen tension.
https://ccforum.biomedcentral.com/articles/10.1186/s13054-014-0555-4
Oct 07, 2014 · Abstract Although experimental studies have suggested that a high arterial oxygen pressure (PaO 2) might aggravate post-anoxic brain injury, clinical studies in patients resuscitated from cardiac arrest (CA) have given conflicting results. Some studies found that a PaO 2 of more than 300 mm Hg (hyperoxemia)...Author: Antonio Maria Dell’Anna, Irene Lamanna, Jean-Louis Vincent, Fabicpro Silvio Taccone
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6259407/
Initially, cardiac arrest was simulated for 10 minutes (cardiac arrest period). The cardiac rhythm of the METI HPS was set as asystole to simulate cardiac arrest during this period. After the first period, resuscitation efforts (chest compression-only CPR period) were simulated for the next 10 minutes.Author: Matej Strnad, Damjan Lešnik, Miljenko Križmarić
https://en.wikipedia.org/wiki/Respiratory_arrest
Drugs that can be inserted through the endotracheal tube during cardiac arrest are discouraged. Before intubation, patients need correct patient positioning and ventilation with 100% oxygen. The purpose of ventilation with 100% oxygen is to denitrogenate healthy …
https://www.ahajournals.org/doi/full/10.1161/cir.0000000000000300
Current guidelines for the management of cardiac arrest in adults stress that oxygen delivery to vital organs is limited by blood flow during CPR and that chest compressions should not initially be interrupted for ventilation or airway placement. The pregnant patient has a very limited oxygen reserve.
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