The 12-lead ECG is a vital tool for EMT’s and paramedics in both the prehospital and hospital setting. [Read more…]
Intervals
The PR, QRS, and QT are intervals (a portion of the baseline and at least one wave) that are measured in seconds on an ECG. [Read more…]
Sinus Rhythms
A sinus rhythm occurs when the SA node acts as the primary pacemaker of the heart. [Read more…]
Atrial Rhythms
An atrial rhythm occurs due to abnormal electrical impulses that start in the atria or around the AV Node. [Read more…]
Junctional Rhythms
A junctional rhythm occurs when the AV node takes over as the primary pacemaker because either the SA node failed or the AV node blocked the atrial impulse. [Read more…]
AV Blocks
An atrioventricular (AV) block occurs when atrial depolarizations fail to reach the ventricles or when there is a delay in atrial depolarization conductions. [Read more…]