Oxygen Saturation Decreased: Causes & Reasons

Possible Causes for Oxygen Saturation Decreased

These signs included a decrease in arterial haemoglobin oxygen saturation as measured by pulse oximetry, decreased end-tidal carbon dioxide level and tachycardia. [ncbi.nlm.nih.gov]

Abrupt decreases in oxygen saturation (from 98% to 40%) and end-tidal carbon dioxide tension (from 24 to 6 mm Hg), compatible with venous air embolism were observed in a 73 [ncbi.nlm.nih.gov]

A few minutes after removal of the foreign body, a notable decrease in end-tidal CO(2), oxygen saturation and arterial blood pressure occurred, requiring administration of [ncbi.nlm.nih.gov]

Pickwickian Syndrome

Noninvasive pulse oximetry reveals decreased oxygen saturation, and arterial blood gasses should be measured, which will reveal increased PCO2 and decreased PO2. [symptoma.com]

In OHS patients, FVC (%) (P CONCLUSION: It was shown that OHS patients have increased rate of hypertension, daytime sleepiness and HCO3, and decreased lung functions and PaO2 [ncbi.nlm.nih.gov]

Pulmonary Edema

Oxygen saturation decreased to 90% despite the addition of oxygen. Glucocorticoids, diuretic stimulants, analgesic and bronchodilatators were administered. [medvik.cz]

Firstly, as pulmonary congestion increases, oxygen saturation decreases, resulting in decreased myocardial oxygen supply. [pmj.bmj.com]

saturation decreased to less than 80%. [anesthesiology.pubs.asahq.org]

Hypercapnic Respiratory Failure

Decreased oxygen saturation (SaO 2 ) combined with increasing carbon dioxide (CO 2 ) retention or hypercapnia are the hallmarks of hypoventilation. [gbppa.org]

Hypoventilation is usually associated with a long term oxygen desaturation so that a decreased of the oxygen saturation (SaO2) <90% for >5 minutes with a nadir of ≤85% may [jtd.amegroups.com]

There are significant periods of decreased oxygen levels in the blood or hypoxemia during sleep when lying flat, in addition to decreases in vital capacity (VC), maximum inspiratory [gbppa.org]

Pneumonia

The presence of normal oxygenation (oxygen saturation >96%) decreased the likelihood of pneumonia (LR, 0.47 [95% CI, 0.32-0.67]). [ncbi.nlm.nih.gov]

Two of the included studies found a significant improvement in respiratory rate and oxygen saturation whereas the other included study failed to show that standardised respiratory [ncbi.nlm.nih.gov]

[…] physiotherapy and positive expiratory pressure decrease the time to clinical resolution and the duration of hospital stay. [ncbi.nlm.nih.gov]

COVID-19

In these patients experiencing worsening inflammatory-induced lung injury, there is a decrease in oxygen saturation (<93%). [ncbi.nlm.nih.gov]

Status Asthmaticus

oxygen saturation • Tachycardia and Hypertension • Signs of complication, tension pneumothorax, pneumomediastinum • Peak expiratory flow meter measurement 17. [de.slideshare.net]

Most patients with more than a mild exacerbation of asthma have hypoxia and decreased oxygen saturation due to V/Q mismatch. [emedicine.medscape.com]

[…] stages • Initially expiratory • Later in both phases, may have absent breath sound in advance stage • Use of accessory muscles • Inability to speak more than 1 to 2 words • Decreased [de.slideshare.net]

Hemothorax

Although the patient's respiration was stable during the surgery, 20 minutes after removing the trachea tube, the patient's pulse oximetry oxygen saturation suddenly decreased [ncbi.nlm.nih.gov]

Her clinical parameters were – BP 90/70 mm Hg; pulse rate was 84/min; respiratory rate 22/min and oxygen saturation 96% on room air. [lungindia.com]

Auscultation revealed decreased air entry in basal regions of the lungs. Epigastric and the right hypochondriac regions were tender on palpation. [lungindia.com]

Influenza

oxygen saturation, respiratory rate >25 per minute, and concomitant diarrhea are crucial for admission decision-making. [ncbi.nlm.nih.gov]

[…] during an influenza pandemic. 26 Thus, careful history taking and examination, determination of pregnancy or hypotension, and early identification of young patients with decreased [ncbi.nlm.nih.gov]

Chronic Obstructive Pulmonary Disease

Low FEV1, smoking history, and obesity are factors associated with oxygen saturation decrease in an adult population cohort. [kjan.or.kr]

Alternatively, if one lives near a mountainous area, a portable oximeter can be used to monitor for desaturations (decreased oxygen saturation) while driving at higher altitude [emedicinehealth.com]

[…] levels at rest (a partial pressure of oxygen less than 50–55 mmHg or oxygen saturations of less than 88%).[59][150] In this group of people, it decreases the risk of heart [en.wikipedia.org]

Pulmonary Emphysema

[…] a decrease in arterial oxygen saturation measured by pulse oximetry (SP,O2) of 9±6% (0–20%), and a SP,O2 of 85±6% (74–96%) at the end of the test. [erj.ersjournals.com]

Forced vital capacity (FVC), forced expiratory volume in 1 s (FEV 1 ), arterial oxygen tension ( P aO 2 ) and arterial oxygen saturation ( S aO 2 ) at rest, and S aO 2 and [err.ersjournals.com]

[…] levels at rest (a partial pressure of oxygen less than 50–55 mmHg or oxygen saturations of less than 88%).[61][153] In this group of people, it decreases the risk of heart [en.wikipedia.org]

Bronchial Asthma

[…] in saturation. [doi.org]

Beers 2007 showed that BiPAP seemed to improve oxygenation and decrease the respiratory rate, while none of these children experienced a rise in respiratory rate nor a decrease [doi.org]

Patent Ductus Arteriosus

The results indicated that the sternal marrow manifested the same marked degree of normoblastic hyperplasia as the iliac marrow, although the oxygen saturation of the iliac [ashpublications.org]

oxygen saturation, and increasing respiratory support. [ncbi.nlm.nih.gov]

As the lungs become the organ of gas exchange, the postnatal increase in PBF leads to a rapid rise in lung perfusion and elevation of neonatal oxygen saturation. [frontiersin.org]

Stroke

[…] in nocturnal oxygen saturation increases the odds by 13%. 414 The association of SDB with drug-resistant hypertension is particularly high. 415 In patients with advanced [doi.org]

[…] and hypertension. 412 Another study found a similar association. 413 Each additional apneic event per hour of sleep increases the odds of hypertension by 1%, and each 10% decrease [doi.org]

Myocardial Infarction

Pulmonary : The pulmonary system is also affected by an MI because there is a decreased level of oxygen saturation due to the damaged heart. [physio-pedia.com]

[…] to decrease the Fi o 2 when oxyhemoglobin saturation is 100%, provided the oxyhemoglobin saturation can be maintained at 94% or greater (Class IIa, LOE C-LD).updated for [doi.org]

[…] after cardiac arrest, it is reasonable to use the highest available oxygen concentration until the arterial oxyhemoglobin saturation or the partial pressure of arterial oxygen [doi.org]

Bronchiolitis

Measurement of oxygen saturation often shows decreased saturation levels. [doi.org]

Side effects of bronchodilators include rapid heart beat, decrease in oxygen and shakiness. [cochrane.org]

Reviewing the subgroup of studies using albuterol (salbutamol), we found no effect of this bronchodilator on oxygen saturation or clinical scores. [cochrane.org]

Pulmonary Embolism

Hypoxia or hypoxemia: decreased oxygen concentration in the blood. (hypo=less + ox=oxygen + ia or emia= blood). [medicinenet.com]

[…] in oxygen saturation or blood pressure. [merckmanuals.com]

Oxygen saturation described how many hemoglobin molecules are carrying oxygen. Normal oxygen level is usually greater than 92%-93%. [medicinenet.com]

Chronic Bronchitis

Therefore, to decrease the likelihood of severe hypercapnea, a safe target oxygen saturation for patients with severe COPD and acute-on-chronic respiratory failure is between [clinicaladvisor.com]

Hypercapnea after oxygen administration is predominantly due to the ventilation-perfusion mismatch that occurs with the loss of hypoxic pulmonary vasoconstriction. [clinicaladvisor.com]

Croup

Emergency response must be considered immediately if you observe any of these more severe symptoms as children may have a very low tolerance to decreased oxygen saturation [radiologyinfo.org]

Accessory Muscle Use None or minimal Moderate chest wall retraction Marked chest wall retraction Oxygen saturations** Hypoxia is a late sign which indicates life-threatening [rch.org.au]

Stridor* No stridor, or only when active or upset Intermittent stridor at rest Persistent stridor at rest Respiratory Rate Normal Increased respiratory rate Marked increase or decrease [rch.org.au]

Pulmonary Fibrosis

[…] in oxygen saturations to below 89% or the need for oxygen at rest. [patient.info]

[…] important and it is recommended to refer patients with IPF for consideration of transplant when they demonstrate a 10% or greater reduction in FVC over six months and a decrease [patient.info]

Acute Respiratory Failure

These include Altered mental status (agitation, somnolence) Peripheral or central cyanosis or decreased oxygen saturation on pulse oximetry Manifestations of a "stress response [mcgill.ca]

Tachypnea -Tachycardia -Reduced tidal volumes -Decreasing oxygen saturations -Increasing carbon dioxide levels What are some complications of mechanical ventilation? [quizlet.com]

Respiratory Bronchiolitis Interstitial Lung Disease

and decreased oxygen saturation on exercise (oxygen saturation < 89%) ( 38, e43 ). [aerzteblatt.de]

[…] transplantation listing, particularly in the presence of a high lung allocation score (LAS), a rapid decline in forced vital capacity of > 10% within 6 months, requirement for oxygen [aerzteblatt.de]

Pleurisy

The patient's temperature was 37.9°C, blood pressure was 150/88 mmHg, pulse was 132 beats/min, respiratory rate was 36 breaths/min and oxygen saturation was 95% when breathing [ncbi.nlm.nih.gov]

Respiratory examination revealed an occasional wheeze, decreased tactile fremitus, egophony and diminished air entry at the right base. [ncbi.nlm.nih.gov]

Pneumothorax

In ventilated patients, the universal findings are rapid onset deterioration with a decrease in oxygen saturations and blood pressure. [ncbi.nlm.nih.gov]

[…] mixed venous oxygen saturations Box 12 Diagnosis of tension pneumothorax in awake patients Reliable and early Pleuritic chest pain Air hunger Respiratory distress Tachypnoea [doi.org]

Generally, once the air retained in the pleural cavity is removed, oxygen saturation increases within a few hours. [ncbi.nlm.nih.gov]

Tuberculosis

With mechanical ventilation, oxygen saturation improved and oxygen requirements decreased to 0.4. [pubmedcentral.nih.gov]

Chronic Thromboembolic Pulmonary Hypertension

If oxygen saturation decreases, arterial pressure is adjusted or vasoactive drugs (e.g. dehydrobenzperidole or papverine) to avoid cerebral vessel spasm are administered; [academic.oup.com]

The mean PAP, PVR and TPR levels were markedly ameliorated by BPA, with concomitant improvements in the cardiac index and mixed venous oxygen saturation ( table 2 ). [doi.org]

saturation. [intechopen.com]

Acute Interstitial Pneumonitis

Blood pressure was 113/69 mmHg, heart rate 119 beats/min, respiration rate >30 breaths/min, oxygen saturation of 93% with high flow oxygen (10 L/min) via nasal cannula at [hindawi.com]

Only one month leading up to her hospital admission again, she became virtually incapacitated by shortness of breath and exercise tolerance decreased to several feet walk [hindawi.com]

Bronchial Spasm

Rapid arterial oxygen desaturation (oxygen saturation measured by pulse oximetry [Spo 2 ], 55%) followed by arterial hypotension (from 130/75 to 50/20 mmHg) associated with [anesthesiology.pubs.asahq.org]

Mask ventilation was difficult to perform because of dramatically decreased lung compliance, whereas ETco 2 demonstrated a marked prolonged expiratory upstroke of the capnogram [anesthesiology.pubs.asahq.org]

Meconium Aspiration Syndrome

saturation suddenly worsens. [msdmanuals.com]

Surfactant should be considered for mechanically ventilated neonates with high oxygen requirements; it can decrease the need for ECMO (1, 2) but does not decrease mortality [msdmanuals.com]

[…] physical examination and chest x-ray) is important to detect this complication, which should be sought immediately in any intubated neonate whose blood pressure, perfusion, or oxygen [msdmanuals.com]

Amyloidosis

Physical examination showed anasarca, blood pressure 114/81 mmHg, heart rate (HR) 67 bpm and 90% oxygen saturation in room air. [revportcardiol.org]

He now complained of dyspnea on minimal exertion, orthopnea and paroxysmal nocturnal dyspnea, peripheral edema and increased abdominal circumference, apparently decreased [revportcardiol.org]