Ebook Essentials of mechanical ventilation (3/E): Part 2
➤ Gửi thông báo lỗi ⚠️ Báo cáo tài liệu vi phạmNội dung chi tiết: Ebook Essentials of mechanical ventilation (3/E): Part 2
Ebook Essentials of mechanical ventilation (3/E): Part 2
Chapter 23Cardiac Failure•Introduction•OverviewHeart-Lung InteractionsEffects of Mechanical VentilationPositive End-Expiratory Pressure•Mechanical Ven Ebook Essentials of mechanical ventilation (3/E): Part 2ntilationIndicationsContinuous Positive Airway PressureVentilator SettingsMonitoringLiberation•Points to Remember•Additional ReadingObjectives1 Describe the effects of positive pressure ventilation on heart-lung interactions.2List indications for mechanical ventilation in patients with cardiac failu Ebook Essentials of mechanical ventilation (3/E): Part 2re.3Discuss the role of continuous positive airway pressure in patients with cardiac failure.4Discuss the monitoring and weaning of patients with cardEbook Essentials of mechanical ventilation (3/E): Part 2
iac failure.IntroductionCardiovascular disease is the leading cause of death in the United States. As a result, many patients present to the emergencyChapter 23Cardiac Failure•Introduction•OverviewHeart-Lung InteractionsEffects of Mechanical VentilationPositive End-Expiratory Pressure•Mechanical Ven Ebook Essentials of mechanical ventilation (3/E): Part 2ation of positive pressure ventilation. Increasingly the respiratory support is applied noninvasively.OverviewHeart-Lung Interactionsrhe normal changes in intrathoracic pressure during spontaneous breathing facilitate venous return and maintains adequate preload to the light heart. In addition, the Ebook Essentials of mechanical ventilation (3/E): Part 2negative mean inlrathoracic pressure reduces left ventricular altcrload. Left ventricular dysfunction with myocardial infarction (MT) or severe congesEbook Essentials of mechanical ventilation (3/E): Part 2
tive heart failure results in increased left ventricular preload, pulmonary edema, decreased cardiac output, hypoxemia, and work-oi-breathing. or partChapter 23Cardiac Failure•Introduction•OverviewHeart-Lung InteractionsEffects of Mechanical VentilationPositive End-Expiratory Pressure•Mechanical Ven Ebook Essentials of mechanical ventilation (3/E): Part 2muscles receive as much as 40% of the cardiac output during stress, which can result in a reduction of blood flow to other vital organs.Effects of Mechanical VentilationWith positive pressure ventilation, the mean intrathoracic pressure is positive. During inspiration, intrathoracic pressure increas Ebook Essentials of mechanical ventilation (3/E): Part 2es, whereas it decreases withspontaneous breathing. This decreases left ventricular pre the patient with acute left ventricular dysfunction, this mayEbook Essentials of mechanical ventilation (3/E): Part 2
ciinaiicc me performance of a compromised myocardium. In the hypovolemic patient, however, these effects may further decrease cardiac output.The respChapter 23Cardiac Failure•Introduction•OverviewHeart-Lung InteractionsEffects of Mechanical VentilationPositive End-Expiratory Pressure•Mechanical Ven Ebook Essentials of mechanical ventilation (3/E): Part 2 the compliance of the lungs and chest wall affects the transmission of alveolar pressure into the intrathoracic space. The most deleterious effect on hemodynamics occurs with compliant lungs and a stiff chest wall, which results in greater pressure in the intrathoracic space. Cardiovascular volume Ebook Essentials of mechanical ventilation (3/E): Part 2and tone, pulmonary vascular resistance, and right and left ventricular function determine the effect of intrathoracic pressure on hemodynamics (TableEbook Essentials of mechanical ventilation (3/E): Part 2
23-1).Table 23-1 Determinants of Cardiovascular Response to Positive Pressure Ventilation•Cardiovascular-Vascular volume-Vascular tone-Pulmonary vascChapter 23Cardiac Failure•Introduction•OverviewHeart-Lung InteractionsEffects of Mechanical VentilationPositive End-Expiratory Pressure•Mechanical VenChapter 23Cardiac Failure•Introduction•OverviewHeart-Lung InteractionsEffects of Mechanical VentilationPositive End-Expiratory Pressure•Mechanical VenGọi ngay
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