Acute Heart Failure by S. M. Ayres (auth.), Dr. Claude Perret, Dr. Jean Louis

By S. M. Ayres (auth.), Dr. Claude Perret, Dr. Jean Louis Vincent (eds.)

This ebook provides a complete survey of acute center failure. a sequence of specialists famous around the globe talk about particular subject matters in order that, jointly, a large spectrum of experimental and scientific investigations are coated. Pathophysiologic, diagnostic and healing features are integrated. the current quantity may also help clinicians take care of the $64000 challenge of acute middle failure. it's going to aid offer an updated reference for these considering cardiology, inner drugs, pediatrics, anesthesia, extensive care and emergency medicine.

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The following discussion will be limited to mechanisms involving vasoconstriction. Coronary Spasm: Spasm can be defined as an abnormal, inappropriate increase in coronary vasomotor tone involving one or more epicardial coronary arteries. It can be focal, usually involving a small segment of the vessel, or diffuse [22, 23]. The most common clinical expression of this pathogenetic mechanism is Prinzmetal's angina. Focal coronary spasm seems to be caused by a local supersensitivity and hyperreactivity of a coronary artery segment to a variety of vasoconstrictor stimuli (alpha-adrenergic, histaminergic, serotonergic and cholinergic among others) (Figs.

It has been claimed that clinically useful information in patients with myocardial infarction can be obtained from maximum acceleration and peak velocity measured by the Doppler method [32, 33]. In order to investigate this question, we recorded resting supine Doppler values obtained from the printed output of the "Exerdop" instrument and correlated the values with ejection fraction obtained by MUGA. No statistically significant correlations were obtained between peak velocity and ejection fraction or between maximum acceleration and ejection fraction [34].

The response to head down tilt and post-extrasystolic potentiation of various indices of human left ventricular mechanical performance (submitted) 18. Swan HJC, Ganz W, Forrester JS, Marcus H, Diamond G, Chonette D (1970) Catheterization of the heart in man with use of a flow-directed balloon-tipped catheter. N Engl J Med 283:447-451 19. Gibson DG (1973) Estimation of left ventricular size by echocardiography. Br Heart J 35: 128-134 20. Sarnoff SJ, Mitchell JH (1962) The control of the function of the heart.

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