490 aspartate aminotransferase 147 U/L (normal <37). Due to abnormal serum lactate determination (3.8 μmol/L, normal <2.0), a skeletal muscle biopsy was processed to search for enzymatic activity in the respiratory-chain complex. The patient was transferred to our cardiology hospital at 71 days of age, with tachycardia of 300 beats/min, blood pressure of 90/60 mmHg, mild cyanosis and diaphoresi...

IFE expectancy and the degree of invalidism have been considered a function of the type of cardiac malformation in patients with congenital heart disease. When the abnormality involves a large communication between the ventricles or great vessels, however, the pulmonary vascular bed plays an important role in governing prognosis. The following group of congenital malformations are involved in t...

In this paper I study the probability distribution of the gravitational force in gravitational systems through numerical experiments. I show that Kandrup’s (1980) and Antonuccio-Delogu & Atrio-Barandela’s (1992) theories describe correctly the stochastic force probability distribution respectively in inhomogeneous and clustered systems. I find equations for the probability distribution of stoch...

We encountered a case of wide QRS tachycardia with chronic atrial fibrillation in Wolff-Parkinson-White syndrome. Unique features were late onset of syncope attacks associated with this tachycardia at an advanced age of 72 years old without previous documentation of Wolff-Parkinson-White syndrome on electrocardiogram. He had a high likelihood of sudden cardiac death. Catheter ablation using CAR...

Background Longitudinal dynamic changes of myocardial ischemic injury determine left ventricular (LV) remodelling. Using conventional clinical cardiovascular magnetic resonance (CMR) imaging, the registration of short axis (SA) images for comparison of imaging findings at different time points is aided by the application of the same protocol to consistently identify the atrio-ventricular (AV) g...

Electrophysiologic studies were performed on a 73-year-old man with swallowing-induced supraventricular tachycardia, in order to define the characteristics of this unique dysrhythmia in this patient. Swallowing reliably provoked an automatic atrial focus type of atrial tachycardia, which usually changed into an atrioventricular nodal reentrant tachycardia when a critical delay in atrioventricul...

Atrioventricular block may occur in various acute and chronic diseases pertaining to the myocardium, or the structures surrounding, or in close proximity to the A-V node,' bundle and bundle branches. When atrio-ventricular conduction is disrupted the ventricles are activated by distal pacemakers. Complete heart block usually results in some degree of cardiac insufficiency, manifested as a reduc...

A 77-year-old woman with chronic atrial fibrillation underwent a routine transthoracic echocardiography that showed a left atrial myxoma. The patient underwent surgery by means of miniinvasive right thoracotomy in fourth intercostal space. Intraoperative transesophageal echocardiography showed a dangerous obstruction of the left ventricle inflow as illustrated in Figures 1 and 2. The obstructio...