Health & Medical

  • STRUTCURE AND FUNCTION OF BLOOD VESSELS

    In essence all blood vessels consists of a tube with the luminal lining of and endothelial cells surrounded by varying amounts of smooth muscle cells and extracellular matrix. however the structure of each of these components varies in different parts of the vasculature . According to functional needs to accommodate pulsatile flow. And higher blood pressures arterial was are thicker…

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  • VASCULAR ORGANIZATION

    Vascular organization Arteries are divided into three types based on their size and structure: 1: Large Elastic Arteries In these vessels are elastic fibre alternate with smooth muscle cells. throughout the media which expands during system and requires during the systole to proper blood distally. with age the elasticity is lost and vessels become stiff pipes that transmit High arterial…

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  • heart failure

    HEART FAILURE

    .HEART FAILURE Heart failure generally is refer to as congestive heart failur (CHF). CHF is the common end point for many forms of cardiac disease. And typically is a progressive condition that carries an extremely poor prognosis. In the United state alone nearly 5 million persons are affected resulting in more than 1 million hospitalizations. And 300,000 deaths each year…

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  • OVERVIEW OF HEART DISEASE

    Although a host of of diseases can affect the cardiovascular system the pathophysiologic pathways that result in a broken heart distill down to six principal machanisms: Failure of the Pump: In the most common situations the cardiac muscles contracts weakly and the Chambers cannot empty properly so called systolic dysfunction. in some cases the muscle cannot relax sufficiently to permit…

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