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The purpose of this review is to analyze the possible parameters that lead to the development of what is a rare event--acute myocardial infarction (AMI) during pregnancy and puerperium. Through the Index Médicus, 109 publications on the subject were obtained. Since the first well-documented case by Katz in 1922, 136 patients have been reported, and from(More)
We study the Equitable Connected Partition problem, which is the problem of partitioning a graph into a given number of partitions , such that each partition induces a connected subgraph, and the partitions differ in size by at most one. We examine the problem from the parameterized complexity perspective with respect to the number of partitions, the(More)
Twenty consecutive female patients (mean age 30.1 years) with Primary Antiphospholipid Syndrome (PAPS) were studied cardiologically through noninvasive methods and compared with 20 age-and sex-matched healthy subjects. On physical examination 13/20 patients (65%) with PAPS had a valvular abnormality. In 12/20 (60%) patients with PAPS the ECG was abnormal,(More)
The authors report a case of a forty-one-year-old white woman with dextrocardia with situs inversus who presented episodes of prolonged sinus arrest and syncopal episodes secondary to possible idiopathic degeneration of the conduction system, managed successfully with a permanent bicameral pacemaker. In their literature review they found that this case(More)
OBJECTIVES The purpose of this study was to evaluate cone beam CT (CBCT) scans for the presence of physiological and pathological intracranial calcifications. METHODS CBCT scans from male and female patients that met our ascertainment criteria were evaluated retrospectively (n=500) for the presence of either physiological or pathological intracranial(More)
For any graph G = (V, E), D  V is a global dominating set if D dominates both G and its complement G. The global domination number  g (G) of a graph G is the fewest number of vertices required of a global dominating set. In general, max{(G), (G)} ≤  g (G) ≤ (G)+(G), where (G) and (G) are the respective domination numbers of G and G. We show, when G(More)
A sixty-two-year-old white woman with a 14.5 cm (145 mm) silent giant left atrial enlargement secondary probably to rheumatic heart disease is presented. Aside from mild progressive shortness of breath during the past year, the patient had been asymptomatic all her life. Her clinical picture was manifested for the first time by syncope secondary to slow(More)
The spontaneous aneurysm of the ductus arteriosus is an extremely rare disease. From a total of 24 adult cases reported in the literature up to 1987, only in one case the ductus was open and other, was recanalized after being closed. We described the second case in the literature in a patient with totally permeable ductus arteriosus who developed a(More)
In this study we evaluate prospectively a new color Doppler method for calculating the mitral valve area based on identifying a blue-red aliasing interfase proximal to the orifice, corresponding to the flow convergence region (FCR). This method can be used to calculate areas using the continuity equation. We studied 61 patients with stenosis. The mitral(More)