Daniela Fratti

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The third heart sound (S3) is often present in children and adolescents but is not present in most adults. Applying at the left ventricle a mathematical model, the mechanism of the disappearance of S3 was studied employing the frequency analysis of the sound and echocardiographic data. The existence of a significant correlation between the spectrum energy(More)
We present the case of an 87-year-old woman with history of hypertension, hypercholesterolemia, ischemic heart diseases, urinary tract infections, and cerebrovascular disease who experienced a transient clinical picture characterized by confusion, lethargy, and acute renal dysfunction in the course of urinary tract infection with Escherichia coli(More)
AIM To evaluate the relative contribution of blood pressure, non-insulin dependent diabetes mellitus and ageing on arteriolar structural changes in essential hypertension and diabetes mellitus. POPULATION AND METHODS One hundred subjects, 25 with hypertension (A), 25 with hypertension and diabetes (B), 25 with diabetes (C) and 25 healthy subjects (D).(More)
The genesis of the fourth heart sound (S4) is commonly related to the rapid set in vibration of the left ventricular walls, resulting from the rapid inflow of the blood due to the atrial contraction (Nishimura et al., 1989). S4 can be recorded in normal young subjects as an expression of physiologic atrial dynamics but it is more common in pathologic(More)
Mycobacterium fortuitum is a non-tuberculous mycobacterium that can cause pneumonia, abscess and empyema in subjects with predisposing lung diseases. However, pleurisy with effusion is rare. Herein, we report the case of a 74-year-old immunocompetent female patient without apparent risk factors, who suffered haemorrhagic pleural effusion as the main(More)
The authors report on two cases, one of supravalvular aortic aneurysm and one of subvalvular aortic aneurysm. Both patients suffered from bacterial endocarditis of the aortic valve, superimposed on previous rheumatic valvular disease. The authors believe that such aneurysms represent typical though rare complication of bacterial endocarditis of the aortic(More)