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Biomedical subjects

S Cotoi

Publications and source records attributed to S Cotoi.

At least 73 records · Page 4Linked to original sources
PubMedDate not supplied

Intracardiac electrical discharge in terminating atrial fibrillation.

A new intracavitary technique for internal defibrillation in atrial fibrillation is presented. The discharge takes place between the distal electrodes of the catheter placed in the right atrium and a thoracic paddle. Four cases are discussed, and the indications for this type of defibrillation are considered. Internal defibrillation can be done when, for other purposes, an electrode catheter is already placed in the right atrium.

Aged↗
PubMedDate not supplied

Preatrial activity recorded by intracavitary and transthoracic techniques.

Two methods to record preatrial activity, that is, sinus node potential are presented. One, during right atrial catheterization through an electrode catheter, and the other, using transthoracic recordings with a high amplification and derivation of the electric signals. The sinus node potential duration represents the sino-atrial conduction time (SACT), a useful parameter for the sinus node function evaluation.

Atrial Function↗
PubMedDate not supplied

The residual myocardial contractile reserve in the rational use of digitalis.

A simple noninvasive method for the estimation of residual myocardial contractile reserve by using the postextrasystolic stimulation and systolic time intervals is proposed. The rational use of digitalis, avoiding the toxic effects, is possible only if the presence or absence of the residual contractile reserve is taken into consideration.

Adult↗
PubMedDate not supplied

Digitalis, a defibrillatory drug.

Digitalis glycosides have an antiarrhythmic effect in atrial fibrillation, as defibrillatory drugs. These drugs could be classified in a group of antiarrhythmic drugs close to the ventricular defibrillating drugs recently proposed. The reasons for this opinion are shown in this work.

Anti-Arrhythmia Agents↗
PubMedDate not supplied

The parasystole, a limitation of sinus node recovery time estimation.

Sinus node recovery time, used as an objective parameter of the sinus node function estimation, may be left out in the situation in which an atrial parasystolic focus is present. The overdrive suppression induced through rapid atrial pacing is without effect upon the protected parasystolic focus, and its firing will disturb the post-drive pause. This situation is noticed in two instances and demonstrated in one case.

Arrhythmias, Cardiac↗
PubMedDate not supplied

Chest-wall and transesophageal stimulation in the functional evaluation of patients with permanent pacemakers.

For the functional estimation of artificial pacemakers, we have used two techniques: chest-wall stimulation and transesophageal stimulation. Transesophageal stimulation was always effective in inhibiting the generator, and it was used when chest-wall stimulation was ineffective. These two tests can be easily performed and are of remarkable usefulness in the follow-up of patients with permanent pacemaker.

Cardiac Pacing, Artificial↗
PubMedDate not supplied

A simple bedside technique in the study of the WPW syndrome.

A simple method for the study of the WPW syndrome, which can be performed at the patient's bedside, is presented. Using standard ECG, vagal maneouvers, ajmaline test, precordial mapping, vectorcardiography, electrode catheters positioned in the right atrium and esophageal catheters, the site of accessory pathways, and the complex arrhythmias occurring in these patients can be understood and medically treated.

Adult↗