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Cardiothoracic interrelationships in clinical practice
The book begins with chapter on basic and applied physiology of hear, lungs, and thorax. Next, it considers the mechanisms responsible for the formulation and resolution of pulmonary edema. Then the cardiothoracic interactions constituting the modality of external cardiopulmonary resuscitation (CPR) are evaluated. While two contrasting mechamisms for CPR have emerged, the thoracic pump and the cardiac pump theories, both systems appear operative and successful CPR may require induced ventricular contraction. The book also provides an extensive treatise on the independence of heart and lung function in cardiogenic pulmonary edema. The pulmonary abnormalities in restrictive function, airway obstruction, respiratory muscle function, gas exchange, vascular compliance and circulatory distribution that comprise the congestive heart failure (CHF) state are critically defined. In regard to ventilatory therapy in CHF, besides the ability to sustain life and enhance lung function, positive pressure ventilation improves left ventricular (LV) performance by reducting excessive end-diastolic volume and end-systolic volume and may result in increase in cardiac output. The chapter on cardiothoracic interactions relative to pulmonary blood flow and cardiac performance includes descriptions of the effects of intrapleural pressure on LV function; the mechanisms of heart disease and pulmonary hypertension blood flow; and the influence of right ventricle (RV) function on LV performance. Then it discusses the occurence, mechanisms, consequences and therapy of pulmonary hypertension in status asthmaticus. The subject of cor pulmonale is approached in two sections. In the first part, the book assesses the identification and pathophysiology with particular attention to pulmonary vascular resistence and RV dysfunction. In the second part, the book elaborates on the development of peripheral edema with special consideration of renal and hormonal abnormalities. Finally, the book provides an outstanding chapter on the therapeutic use of mechanical ventilation
cardiopulmonary system,heart,heart diseases,lung,lung diseases