Background Supraventricular tachycardia (SVT) is a general term describing a group of
arrhythmias whose mechanism involves or is above the atrioventricular node. The …

A revisão das diretrizes de eletrocardiografia deve-se ao surgimento de avanços no
entendimento de diversas entidades, com repercussões importantes no traçado …

Biological rhythms are fundamental for the understanding of the physiological functioning of
organisms, being useful in disease prevention and treatments. This work deals with the …

Realizado pelo Grupo de Estudos de Eletrocardiografia da Sociedade Brasileira de
Cardiologia, este novo trabalho atualiza a primeira diretriz do eletrocardiograma de …

The narrow complex tachycardias (NCTs) are defined by the presence in a 12-lead
electrocardiogram (ECG) of a QRS complex duration less than 120ms and a heart rate …

Objectives: Explain the pathophysiologic basis of ventricular tachycardia. Summarize the
differential diagnoses of ventricular tachycardia. Describe the evaluation and management …

Objectives: Review the causes of reentry arrhythmias. Describe the electrocardiogram of a
patient with a reentry arrhythmia. Summarize the treatment options for reentry arrhythmias …

Aims: To determine (a) the age distribution at first clinical supraventricular tachycardia (SVT)
presentation;(b) the time interval between first clinical suspicion and electrocardiographic …

Supraventricular tachycardias (SVTs) affect more than 1% of the population, making them a
relatively common clinical problem. 48 SVTs encompass a large group of arrhythmias that …

Although serious adverse events following adenosine administration are rare, it should only
be administered in an environment where continuous ECG monitoring and emergency …