Exemplos de uso de Intraventricular conduction em Inglês e suas traduções para o Português
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Special situations involving intraventricular conduction.
Arrhythmias and intraventricular conduction disturbances may also be visible using these diagnostic procedures.
Electrocardiogram showed non-specific ST-T wave changes with delayed intraventricular conduction consistent with myocarditis.
Atrioventricular blocks, intraventricular conduction delays, and congestive heart failure can occur with more severe poisoning.
This dyssynchrony is frequently observed in patients with a widened QRS complex andleft bundle branch block- the standard of intraventricular conduction disturbance.
Approximately 15% of patients com IC present intraventricular conduction disorder and patients with more severe symptoms comprise 30.
In addition, the cardiac excito-conduction tissue is frequently damaged, leading to sinus node dysfunction anddisorders of the atrioventricular and intraventricular conduction.
Atrioventricular conduction was within the normal range and intraventricular conduction revealed right bundle branch disorder.
Definition of an electrically inactive area EIA- An EIA is considered when the ventricular activation does not occur as expected and does not suggest an intraventricular conduction disturbance.
In around 25-50% of HF patients,there is the presence of intraventricular conduction disturbance, in which the left bundle branch block occurs more frequently.
Intraventricular conduction disturbances with extension of the QRS complex are present in 25-50% of HF patients, in which the most frequent case is the left bundle branch block LBBB.
The electrocardiogram revealed sinus tachycardia with decreased septal QRS vector, intraventricular conduction disturbance, diffuse T-wave inversions, and corrected QT QTc of 543 ms Figure 1.
Treatment-related adverse reactions included agitation and confusion, akathisia, orofacial dystonia, sedation, and asymptomatic ECG findings bradycardia,supraventricular complexes, intraventricular conduction delay.
If the level of atrial action potential or intraventricular conduction is normal, they remain unchanged since Diltiazem usually does not change the normal heart rhythm.
In one boy, there was supraventricular rhythm with a prolonged atrioventricular conduction time,nonspecific intraventricular conduction disturbances, and signs of right ventricular hypertrophy.
Chronic heart failure patients with intraventricular conduction defects(bundle branch block left, bundle branch block right) and ventricular dyssynchrony should be monitored closely.
The score by Aaronson et al considered the following variables: ischemic etiology, HR at rest, radionuclide EF,maximum oxygen consumption, intraventricular conduction delay and serum sodium.
The intracardiac tumors may provoke disorders of atrioventricular or intraventricular conduction, which are manifested by arrhythmias, interfering in the cardiac dynamic, leading to sudden death 1,7.
Also in 2000, Leclercq et al. present a pilot experience with biventricular pacemaker to treat advanced heart failure, mentioning the indications for the procedure: delayed dilated cardiomyopathy, NYHA functional class III orIV NYHA intraventricular conduction delay of the electrical stimulus.
The electrocardiogram 20/10/2005 showed atrial fibrillation, heart rate of 100 bpm,low QRS voltage, intraventricular conduction disturbance of the right bundle branch block type stimulus, decreased left ventricular strength Figure 2.
Factors associated with aortic valvular replacement that may explain this result are as follows: advanced age, left atrial enlargement, administration of inotropic agents, prolonged ventilatory support, postoperative acidosis, electrolyte imbalance anddisorders in the atrioventricular and intraventricular conduction 6.
However, in this study, we did not observe any increase,probably because of the presence of left bundle branch block, an intraventricular conduction disturbance, and intraventricular dyssynchrony, which was present in 19 79.2% of the 24 patients.
In spite of the data obtained with the experimental and clinical studies, the deleterious effects associated with the apical stimulation of the RV depend on the interaction between specific factors of each patient basal atrial rhythm,inherent atrioventricular and intraventricular conduction, LVEF and underlying cardiomyopathy.
The involvement of the cardiovascular system by amyloidosis is polymorphic: cardiac failure in the restrictive pattern,atrial fibrillation, intraventricular conduction delays, ventricular tachycardia, syncope, pulmonary embolism and sudden death due to ventricular fibrillation have been described.
The intraventricular conduction disorder, in this situation, results from a maintained interruption in the conduction in the right branch of the His bundle triggered by right ventricular distension secondary to a massive pulmonary thromboembolism, which makes the time factor fundamental for the patient's survival.
Those physiological variations in the ECG must be clearly separated from patterns suggestive of heart disease recognized by repolarization variations, pathological Q waves,electrical axle deviation, intraventricular conduction defect, pre-excitement, short/long QT interval and Brugada.
The chest radiograph did not demonstrate alterations and the electrocardiogram revealed a sinusal signal,delay in the intraventricular conduction of the atrial stimulus and non-specific alterations of the ST-segment of the T-wave. The echocardiogram revealed an extensive intramyocardial mass that exerted compression on the right and left ventricular chambers.
Hyperkalemia- The changes depend on the serum potassium concentrations; occur in a sequence: T wave with increased amplitude, symmetric, and with a narrow base;decreased QTc interval; intraventricular conduction disturbance; decreased P wave amplitude until disappearance, with the presence of sinoventricular conduction. .
The initial hypothesis that the pacemaker caused ventricular dyssynchrony andposterior dysfunction is based on several studies in which the delay in intraventricular conduction or left branch block were associated with a worsening of the symptoms and functional class, in relation to patients with normal intraventricular conduction.
On ECG, the patient presented atrial flutter with variable atrioventricular block, indirect signs of right atrial overload Peñaloza-Tranchesi sign, heart rate of 61 bpm,low QRS voltage in the frontal plane, intraventricular conduction impairment, left ventricular overload, and secondary changes in ventricular repolarization Figure 5.