A World Wide Web accessible multi-species ECG database

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Updated: Oct 28, 2026

In Vivo Surface Electrocardiography for Adult Zebrafish
09:13

In Vivo Surface Electrocardiography for Adult Zebrafish

Published on: August 1, 2019

H P Hammann1, W K Suedmeyer, A W Hahn

  • 1Department of Computer Engineering, Veterinary Medical Hospital, Columbia, MO, USA.

Biomedical Sciences Instrumentation
|January 1, 1997
PubMed

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Electrocardiogram01:29

Electrocardiogram

An electrocardiogram (ECG or EKG) is a critical diagnostic tool that records the electrical signals produced by the heart during each heartbeat. This recording is achieved through electrodes placed strategically on the arms, legs, and chest. The electrocardiograph amplifies these signals and produces 12 distinct tracings, offering a comprehensive understanding of the heart's electrical activity.
Three major waveforms are present in a typical ECG recording: the P wave, the QRS complex, and the T...
Electrocardiogram Fundamentals01:28

Electrocardiogram Fundamentals

Introduction
An electrocardiogram (ECG) is a diagnostic tool for identifying cardiac conditions such as arrhythmias, conduction abnormalities, and myocardial ischemia.
Definition
An electrocardiogram (ECG) visualizes the heart's electrical activity by tracing the electrical movement associated with each heartbeat on a graph or monitor. As the heart beats, an electrical wave passes through it, correlating with the cardiac cycle events.
Parts of an ECG
An ECG utilizes electrodes on the skin to...