A Healthy Heartbeat
The heart is a beating muscle that pumps oxygen and nutrient rich blood throughout the body. Each beat is stimulated by electrical signals that pass through the heart muscle, or myocardium.
Performing an ECG or EKG
In order to examine the function of the heart, a doctor may perform a test called an electrocardiogram or [...]
Tags: ECG, electrocardiography, heart's electrical signals, stress test
In cases of chronic congestive heart failure, QT-interval dispersion is a strong predictor of death. Carvedilol therapy appears to decrease QT-interval dispersion. We investigated whether carvedilol reduces QT-interval dispersion in congestive heart failure and whether this pharmaceutical agent has additional effects on elderly patients.
Congestive heart failure (CHF) is increasingly common and entails a high mortality [...]
Tags: Arrhythmia, carvedilol, congestive, elderly patients, electrocardiography, heart failure, QT-interval dispersion
ALPERT AND THYGESEN, ET AL., MYOCARDIAL INFARCTION REDEFINED
JACC Vol. 36, No. 3, September 2000:959–69
Bibliography
Pathology
1. [...]
Tags: biochemistry, electrocardiography, pathology