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Ventilation perfusion
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Part 1 book "Study guide for medical surgical nursing - Assessment and management of clinical problems" by author Susan A. Sandstrom includes contents: Concepts in nursing practice; pathophysiologic mechanisms of disease; perioperative care; problems related to altered sensory input; problems of oxygenation - ventilation; problems of oxygenation - transport; problems of oxygenation - Perfusion.
241p
muasambanhan09
16-03-2024
4
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Pulmonary alveolar proteinosis is a rare disorder that is characterized by a large accumulation of lipoproteinaceous material within the alveoli. This causes respiratory failure due to a restriction of gas exchange and changes in the ventilation/perfusion ratio. Clinical symptoms are variable and depend on the severity of damage of the lung parenchyma.
5p
viisaacnewton
25-04-2022
13
2
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Electrical impedance tomography (EIT) of the lungs facilitates visualization of ventilation distribution during mechanical ventilation. Its intraoperative use could provide the basis for individual optimization of ventilator settings, especially in patients at risk for ventilation-perfusion mismatch and impaired gas exchange, such as patients undergoing major open upper abdominal surgery.
8p
viisaacnewton
26-04-2022
7
1
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Historically, the elective ventilatory flow pattern for neonates has been decelerating flow (DF). Decelerating flow waveform has been suggested to improve gas exchange in the neonate when compared with square flow (SF) waveform by improving the ventilation perfusion.
8p
viisaacnewton
26-04-2022
4
1
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In adult respiratory distress syndrome (ARDS), life-threatening hypoxemia may occur, dictating the need for differentiated ventilator strategies. Pronounced consolidation and/or atelectasis have been well documented in ARDS, but the contribution of regional perfusion to oxygenation has been poorly addressed.
3p
viisaacnewton
26-04-2022
8
1
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Lung protective mechanical ventilation with limited peak inspiratory pressure has been shown to affect cardiac output in patients with ARDS. However, little is known about the impact of lung protective mechanical ventilation on regional perfusion, especially when associated with moderate permissive respiratory acidosis.
9p
vampires36
30-12-2021
6
1
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Although PEEP and inversed I:E ratio have been shown to improve gas exchange in ARDS, both can adversely affect systemic hemodynamics and cerebral perfusion. The goal of this study was to assess how changes in PEEP and I:E ratio affect systemic and cerebral oxygenation and perfusion in normal and injured lung.
10p
vizhangzhidong
29-12-2021
7
0
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Our goal is to investigate the use of the oxygen reserve index (ORi) to detect hypoxemia and its relation with parameters such as; peripheral oxygen saturation, perfusion index (PI), and pleth variability index (PVI) during one-lung ventilation (OLV).
11p
vidietmarhopp
29-12-2021
15
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The prognosis of patients with suspected pulmonary embolism (PE) in whom PE has been ruled out (RPE) is unclear. We aimed to evaluate survival and diagnosis of new cancer in suspected PE patients at follow up.
8p
vimontana2711
05-04-2021
7
1
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: Non-small cell lung cancer (NSCLC) accounts for 85% of lung cancers, and is the leading cause of cancer deaths. Radiation therapy (RT), alone or in combination with chemotherapy, is the standard of care for curative intent treatment of patients with locally advanced or inoperable NSCLC.
8p
vilisa271
22-09-2020
16
1
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(BQ) Continued part 1, part 2 of the document Patient with respiratory failure and mechanical ventilation has contents: Basic ventilation modes, overview of acid base balance, oxygenation, ventilation, and perfusion, advanced ventilation modes, advanced ventilation graph,... and other contents. Invite you to refer.
66p
thuongdanguyetan05
05-07-2019
11
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Lung protection strategy permising hypercapnia induces the development of cranial hyperemia and hypertension. On the other hand, “aggressive” ventilation with high tidal volume may aggravate lung injury and provoke ventilator-associated lung damage(9). In mechanical ventilation treatment, PEEP improves oxygenation by recruitment of atelectatic alveolar units, improving FRC and preventing atelectrauma. Also it may have detrimental neurologic effects in certain clinical circumstances(10).
330p
wqwqwqwqwq
21-07-2012
73
10
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Tuyển tập các báo cáo nghiên cứu về y học được đăng trên tạp chí y học Critical Care giúp cho các bạn có thêm kiến thức về ngành y học đề tài: Administration of hydrogen sulfide via extracorporeal membrane lung ventilation in sheep with partial cardiopulmonary bypass perfusion: a proof of concept study on metabolic and vasomotor effects...
10p
thulanh18
05-11-2011
40
1
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Differential Diagnosis CENTRAL CYANOSIS (Table 35-1) Decreased SaO2 results from a marked reduction in the Pa O2. This reduction may be brought about by a decline in the FIO2 without sufficient compensatory alveolar hyperventilation to maintain alveolar PO2. Cyanosis usually becomes manifest in an ascent to an altitude of 4000 m (13,000 ft).
5p
ongxaemnumber1
29-11-2010
62
3
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