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of a laterally displaced ictus cordis. His 12-lead ECG, shown in figure 1, was in sinus rhythm with some extrasystoles. The electr

...nus node cannot leave the node towards the atria. They are blocked. On the ECG this is expressed as a pause. SA exit block can be distinguished from [[sin

...ial infarction'''. That is why it is critical to recognize ischemia on the ECG in an early stage. ...efore, it may be difficult to estimate the duration of the ischemia on the ECG, which is crucial for adequate treatment.

...hy. BBR VT is extremely rare and this diagnosis is difficult to make on an ECG. However, during an [[EP study|electrophysiologic study]] this diagnosis ca

==ECG - Show== [[File:E000026.jpg|thumb|300px|right|ECG 1 - Tombstone Elevaties]]

of a laterally displaced ictus cordis. His 12-lead ECG, shown in figure 1, was in sinus rhythm with some extrasystoles. The electr the case as shown in figure 2, which is the same ECG

==How do I begin to read an ECG?== [[Image:nsr.png|thumb| A short ECG registration of normal heart rhythm (sinus rhythm)]]

...sociated with a [[Conduction#The_QT_time|long QT interval]] on the resting ECG. Torsade de Pointes is typically initiated by a short-long-short interval. File:Torsades_de_Pointes_TdP.png|12-lead ECG of Torsades de Pointes (TdP) in a 56-year-old white female with a potassium

...metimes atrial fibrillation results in a course atrial flutter wave on the ECG, but the baseline can also be flat. A flat baseline is more often seen in l

[[Category:ECG Course]]

==Normal neonatal ECG standards== |+Normal neonatal ECG standards<cite>schwarz1</cite>

...of relatively common forms of congenital heart disease and their potential ECG changes. Adapted from Khairy et al.<cite>khairy</cite> ...low amplitude QRS waves. RBBB and T wave inversion are not present on this ECG.]]

...an you should look for a [[Technical Problems|technical problem]] with the ECG, eg. movement or electrical interference.

On the ECG, an atrial infarct manifests by rhythm changes and/or change of the [[PTa s

==How do I begin to read an ECG?== | caption1 = A short ECG registration of normal heart rhythm (sinus rhythm)

.... A seperate chapter deals with [[Approach_to_the_Wide_Complex_Tachycardia|ECG algorithms to analyze wide complex tachycardias]]. ...complex from the right side. These are fusion complexes. Furthermore this ECG shows [[Technical Problems|baseline drift]], which is a technical artefact

[[Image:epsilon_wave.png|thumb|ECG with an epsilon wave in V1]] == ECG in ARVD==

...the arrow in the above animation to change the heart axis and see how the ECG changes.''''' [[File:E000604.png|thumb|Another example of an ECG with a right heart axis]]

:ECGpedia is an free online electrocardiography (ECG) course and textbook. All content is freely accessible. Anyone can contribute to th ...build a separate website, since an encyclopedia format does not allow the course- like setup of ECGpedia. It would also be difficult to incorporate informat

...ne for the steepest part of the T wave intersects with the baseline of the ECG. ]] On modern ECG machines, the QTc is given. However, the machines are not always capable of