Right and Left Ventricles Photograph

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Heart anatomy showing right and left ventricles

Section of a turkey heart, illustrating the relative thickness of the right and left ventricles. Commercial poultry have left ventricular hypertrophy.

Determining Rate

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Determining Rate

This illustration is free for your use in an classroom setting.  For commercial use, contact Dawn Altman at [email protected].

U Waves

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Images on the ECG Guru are free for your use in a classroom setting.  For commercial use, please contact Dawn Altman at [email protected].

Einthoven's Triangle

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Einthoven's Triangle

This is an original illustration by Dawn Altman.  You may use it free of charge to enhance your presentations or student handouts.  Click on image, or right click and SAVE image. For permission to use in publications or marketing uses, and prices, please contact the artist at [email protected].

Normal Conduction Compared To Conduction Over An Accessory Pathway

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Normal Conduction Compared To Conduction Over An Accessory Pathway

This is an original illustration by Dawn Altman. You may use it free of charge to enhance your presentations or student handouts. Click on image, or right click and SAVE image.

Two Types of Complete Heart Block

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Two Types of Complete Heart Block

This is an original illustration by Dawn Altman. You may use it free of charge to enhance your presentations or student handouts. Click on image, or right click and SAVE image. For permission and charges for use in publications or for marketing uses, please contact the artist at [email protected]  

Lewis Lead

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Lewis lead.  Enhancing view of P waves.

The Lewis Lead is used to enhance our view of atrial activity, emphasizing P waves and flutter waves.  Illustration by Dawn Altman.  Free for use in educational setting.  Contact Dawn for commercial use:  [email protected]

Dual Chamber Pacemaker Illlustration

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Pacemaker, Illustration

This is an original illustration by Dawn Altman.  It is FREE for you to use under the Creative Commons agreement for non-commercial use.  For inquiries regarding commercial use of this illustration, please contact Dawn Altman at [email protected].

Bi-ventricular Pacemaker Illustration

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Bi-ventricular pacemaker illustration

This is an original illustration by Dawn Altman.  For non-commercial use, this work is protected by Creative Commons, and is free and free of copyright for such use.  For commercial use, please contact Dawn Altman at [email protected].

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