PAH: beyond the idiopathic form of disease

The value of myocardial perfusion imaging in differentiating between idiopathic dilated cardiomyopathy from the ischemic form [Persian]

Introduction: Differentiating between ischemic cardiomyopathy (ICM) and idiopathic dilated cardiomyopathy (IDCM) is important as coronary revascularization can improve prognosis in the ischemic subgroup. Due to inherent problems of coronary angiography in patients with depressed ejection fraction (EF) introducing a noninvasive tool to diagnose those who will benefit from angiography seems...

Fibonacci Form and Beyond

This paper develops a context for the well-known Fibonacci sequence (1, 1, 2, 3, 5, 8, 13, ...) in terms of self-referential forms and a basis for mathematics in terms of distinctions that is harmonious with G. Spencer-Brown’s Laws of Form and Heinz von Foerster’s notion of an eigenform. The paper begins with a new characterization of the infinite decomposition of a rectangle into squares that ...

Matter versus Form, and Beyond

the effect of taftan pozzolan on the compressive strength of concrete in the environmental conditions of oman sea (chabahar port)

cement is an essential ingredient in the concrete buildings. for production of cement considerable amount of fossil fuel and electrical energy is consumed. on the other hand for generating one tone of portland cement, nearly one ton of carbon dioxide is released. it shows that 7 percent of the total released carbon dioxide in the world relates to the cement industry. considering ecological issu...

report of the case of idiopathic myoglobinurea (meyer-betz disease)

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