The history of echocardiography Following a brief review of the development of medical ultrasonics from the mid-1930s to the mid-1950s, the collaboration between Edler and Hertz that began in Lund in 1953 is described. Using an industrial ultrasonic flaw detector, they obtained time-varying echoes transcutaneously from within the heart. The first clinical applications of M-mode…
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Pathophysiology of Coronary Artery Disease During the past decade, our understanding of the pathophysiology of coronary artery disease (CAD) has undergone a remarkable evolution. We review here how these advances have altered our concepts of and clinical approaches to both the chronic and acute phases of CAD. Previously considered a cholesterol storage disease, we currently…
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Scholars and visitors to Egypt frequently presume that all or most aspects of Egyptian culture date back to the Pharaonic period. This idea, however, is incorrect, as Egypt has been occupied by foreign countries over the years, leaving their stamp on the country. The goal of this chapter was to trace modern Egyptian culture’s Turkish…
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Occupational health and safety procedures have gotten little scientific attention in the past. As a result, occupational health and safety has remained a niche topic in organisational and management studies. Various dangers exist in the workplace, resulting in accidents and fatalities. All workers should be aware of occupational safety and health in order to prevent…
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“Systems approach theory” is one of the modern organisation theories. Many long-term linkages exist in general systems theory across a wide range of disciplines. Many syntheses can be created from these connected relationships using a variety of fields, ranging from chemistry and mathematics to biology. Atoms with the smallest base structures [Carbon(C), Nitrogen(N), Oxygen(O), and…
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Tourists must be accompanied by a professional tour guide who guides and interprets sights in the locations visited in a comprehensive tourism destination. An indeterminate degree of education, a lack of a standardised training curriculum, and a lack of obstacles to the guiding profession have all had an impact on tour guide performance in Kenya.…
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This paper will compare and contrast how a philosopher writes about a poet with how a poet writes about a philosopher, or how a stranger writes about another stranger. In other words, it will be a discussion of exclusionary and inclusionary strategies in the process of rebuilding the Jewish community and legislating for its moral…
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In order to promote openness, accountability, and prudence in the performance of public obligations, legislatures exert oversight of government operations, programmes, and policies. Nonetheless, oversight tasks are sometimes misunderstood as adversarial and fault-finding exercises meant to shame executive organs in the exercise of delegated authorities. In this light, the purpose of this study was to…
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The goal of this research was to learn about the difficulties that hearing parents of deaf children have when learning Kenyan sign language. The study used a case study design and a qualitative research approach based on the interpretive paradigm. To construct a study sample of 177 participants, the researchers utilised a purposive sampling approach.…
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