Usefulness of the intracardiac electrocardiogram recorded using central venous catheters on P-wave magnification.
J Electrocardiol
; 82: 141-146, 2024.
Article
em En
| MEDLINE
| ID: mdl-38141487
ABSTRACT
BACKGROUND:
The detection of atrial electrical activity is extremely valuable in recognizing complex cardiac arrhythmias. However, P-wave detection on a surface electrocardiogram (S-ECG) can sometimes be challenging. The intracardiac electrocardiogram (IC-ECG), recorded by a central venous catheter loaded with saline solution, has proven to be a safe and effective method for amplifying atrial electrical activity. We aim to compare the P-wave amplitude recorded in the S-ECG and the IC-ECG in different venous accesses, catheters, heart rhythms, and atrial dimensions.METHODS:
We compared the P wave amplitude obtained by the IC-ECG and the S-ECG recordings from cardiac intensive care unit patients.RESULTS:
In 109 nonconsecutive patients, a total of 166 IC-ECG were collected. The median amplitude of the P wave was 0.1 (0.083-0.3) mV in the S-ECG and 0.4 (0.25-2.4) mV in the IC-ECG; p < 0.001. This difference remained significant regardless of the patient's heart rhythm, left atrial dimension, and catheter or vascular access used.CONCLUSION:
The IC-ECG acquired using central venous catheters significantly increases atrial electrical activity signals. This technique might help identify complex cardiac arrhythmias.Palavras-chave
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Cateterismo Venoso Central
/
Cateteres Venosos Centrais
Limite:
Humans
Idioma:
En
Revista:
J Electrocardiol
Ano de publicação:
2024
Tipo de documento:
Article